diff --git a/ets2panda/parser/ETSparserTypes.cpp b/ets2panda/parser/ETSparserTypes.cpp
index 6853f67fada877ee6424d518db9162ab13c5b611..b9de9440bedb563eb0c48964812e7a2893a826c3 100644
--- a/ets2panda/parser/ETSparserTypes.cpp
+++ b/ets2panda/parser/ETSparserTypes.cpp
@@ -359,6 +359,17 @@ std::pair<ir::TypeNode *, bool> ETSParser::GetTypeAnnotationFromToken(TypeAnnota
             return std::make_pair(ParseETSTupleType(options), true);
         case lexer::TokenType::KEYW_THIS:
             return std::make_pair(ParseThisType(options), true);
+        case lexer::TokenType::PUNCTUATOR_LEFT_BRACE:
+            if (((*options) & TypeAnnotationParsingOptions::REPORT_ERROR) != 0) {
+                auto startPos = Lexer()->GetToken().Start();
+                auto modifiers = ir::ClassDefinitionModifiers::ID_REQUIRED | ir::ClassDefinitionModifiers::CLASS_DECL |
+                                 ir::ClassDefinitionModifiers::DECLARATION;
+                auto flags = ir::ModifierFlags::NONE;
+                ParseClassBody(modifiers, flags);
+                LogError(diagnostic::ERROR_ARKTS_NO_OBJ_LITERAL_TO_DECL_TYPE, {}, startPos);
+                return {AllocBrokenType({startPos, Lexer()->GetToken().End()}), false};
+            }
+            [[fallthrough]];
         default: {
             return {nullptr, true};
         }
diff --git a/ets2panda/test/ast/compiler/ets/class_cyclic_constructor.ets b/ets2panda/test/ast/compiler/ets/class_cyclic_constructor.ets
index 0a68437b939f63d72b1a7b1cccd4af70912e02b5..e20b1aa5d3678238e627562a63e621a326dc85f1 100644
--- a/ets2panda/test/ast/compiler/ets/class_cyclic_constructor.ets
+++ b/ets2panda/test/ast/compiler/ets/class_cyclic_constructor.ets
@@ -34,16 +34,14 @@ class A {
 /* @@? 24:9 Error SyntaxError: Unexpected token, expected ',' or ')'. */
 /* @@? 24:9 Error SyntaxError: Unexpected token 'let'. */
 /* @@? 24:9 Error SyntaxError: Unexpected token, expected an identifier. */
-/* @@? 24:20 Error SyntaxError: Invalid Type. */
-/* @@? 24:20 Error SyntaxError: Unexpected token '{'. */
+/* @@? 24:20 Error SyntaxError: Using object literals to declare types in place is not supported. Please declare types and interfaces explicitly! */
 /* @@? 24:21 Error SyntaxError: Unexpected token '{'. */
 /* @@? 24:23 Error SyntaxError: Field type annotation expected. */
 /* @@? 24:23 Error SyntaxError: Unexpected token '.'. */
 /* @@? 24:31 Error SyntaxError: Field type annotation expected. */
-/* @@? 24:32 Error SyntaxError: Unexpected token '}'. */
-/* @@? 24:37 Error SyntaxError: Unexpected token. */
-/* @@? 24:38 Error SyntaxError: Unexpected token. */
-/* @@? 24:51 Error SyntaxError: Unexpected token '}'. */
+/* @@? 24:34 Error SyntaxError: Unexpected token '='. */
+/* @@? 24:36 Error SyntaxError: Unexpected token '{'. */
+/* @@? 24:38 Error TypeError: Unresolved reference caches */
 /* @@? 25:21 Error TypeError: Expected 0 arguments, got 1. */
 /* @@? 25:21 Error TypeError: No matching construct signature for class_cyclic_constructor.A(...tuple) */
 /* @@? 25:27 Error TypeError: Spread argument cannot be passed for ordinary parameter. */
diff --git a/ets2panda/test/ast/compiler/ets/create_partial.ets b/ets2panda/test/ast/compiler/ets/create_partial.ets
new file mode 100644
index 0000000000000000000000000000000000000000..ed646d63c558098be89310f4c47661c8572e34a2
--- /dev/null
+++ b/ets2panda/test/ast/compiler/ets/create_partial.ets
@@ -0,0 +1,69 @@
+/*
+ * Copyright (c) 2025 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+interface Todo {
+  title: string;
+  teTodo(todo1, {
+    descriptio
+    description: string;
+  }
+  tion:"throw out
+  function updateTodo(todo:Todo, fieldToUpdate: Partial<Todo>) {
+    return {...todo, ...fieldToUpdate };
+  }
+
+  const todo1: Todo = {
+    title: "original desk",
+    de "ription: "clea,
+  };
+
+  const todo2 = updateTodo(todo1, {
+    description:"throw out trash",
+  });
+
+/* @@? 18:15 Error SyntaxError: Parameter declaration should have an explicit type annotation. */
+/* @@? 18:17 Error SyntaxError: Unexpected token, expected an identifier. */
+/* @@? 18:17 Error SyntaxError: Parameter declaration should have an explicit type annotation. */
+/* @@? 18:17 Error SyntaxError: Unexpected token, expected ',' or ')'. */
+/* @@? 19:5 Error TypeError: Unresolved reference descriptio */
+/* @@? 20:18 Error SyntaxError: Label must be followed by a loop statement. */
+/* @@? 20:18 Error TypeError: Type name 'string' used in the wrong context */
+/* @@? 22:8 Error SyntaxError: Newline is not allowed in strings */
+/* @@? 22:18 Error SyntaxError: Unexpected token, expected ','. */
+/* @@? 22:18 Error SyntaxError: Unexpected token, expected 'private' or identifier. */
+/* @@? 23:65 Error TypeError: need to specify target type for class composite */
+/* @@? 26:1 Error SyntaxError: Using object literals to declare types in place is not supported. Please declare types and interfaces explicitly! */
+/* @@? 26:1 Error SyntaxError: Interface fields must have type annotation. */
+/* @@? 26:1 Error SyntaxError: Unexpected token, expected 'private' or identifier. */
+/* @@? 26:1 Error SyntaxError: Unexpected token, expected ','. */
+/* @@? 26:1 Error TypeError: Cannot find type 'todo1'. */
+/* @@? 27:24 Error SyntaxError: Unexpected token ','. */
+/* @@? 28:28 Error SyntaxError: Unexpected token ','. */
+/* @@? 28:28 Error SyntaxError: Field type annotation expected. */
+/* @@? 28:28 Error SyntaxError: Unexpected token 'ription: '. */
+/* @@? 28:28 Error SyntaxError: Field type annotation expected. */
+/* @@? 31:1 Error SyntaxError: Interface fields must have type annotation. */
+/* @@? 31:1 Error SyntaxError: Using object literals to declare types in place is not supported. Please declare types and interfaces explicitly! */
+/* @@? 31:1 Error SyntaxError: Interface fields must have type annotation. */
+/* @@? 31:1 Error SyntaxError: Unexpected token, expected 'private' or identifier. */
+/* @@? 31:1 Error SyntaxError: Unexpected token, expected ','. */
+/* @@? 31:1 Error SyntaxError: Unexpected token, expected 'private' or identifier. */
+/* @@? 31:1 Error TypeError: Cannot find type 'updateTodo'. */
+/* @@? 32:36 Error SyntaxError: Unexpected token ','. */
+/* @@? 33:35 Error SyntaxError: Unexpected token, expected ','. */
+/* @@? 33:35 Error SyntaxError: Unexpected token, expected 'private' or identifier. */
+/* @@? 33:35 Error SyntaxError: Identifier expected. */
+/* @@? 33:35 Error TypeError: Property '*ERROR_LITERAL*' must be accessed through 'this' */
+/* @@? 69:67 Error SyntaxError: Unexpected token, expected '}'. */
diff --git a/ets2panda/test/ast/compiler/ets/keyof_invalid_argument.ets b/ets2panda/test/ast/compiler/ets/keyof_invalid_argument.ets
index 6b2f5eab1a6df8c0bc2096187cba2dbd921f75bc..f7e8a09ad3b5c2ea53f4e9273ca9325c62126c17 100644
--- a/ets2panda/test/ast/compiler/ets/keyof_invalid_argument.ets
+++ b/ets2panda/test/ast/compiler/ets/keyof_invalid_argument.ets
@@ -23,42 +23,36 @@ class ObservableImpl<T> extends Observable<T> {
 
 type NestedKey<T, K extends keyof T> = T[K] extends object ? keyof T[K] : never;
 
-/* @@? 16:24 Error SyntaxError: Unexpected token, expected ',' or ')'. */
-/* @@? 16:24 Error SyntaxError: Invalid Type. */
-/* @@? 16:26 Error SyntaxError: Unexpected token ','. */
-/* @@? 16:28 Error SyntaxError: Unexpected token 'k'. */
-/* @@? 16:31 Error SyntaxError: Label must be followed by a loop statement. */
-/* @@? 16:31 Error TypeError: Unresolved reference keyof */
-/* @@? 16:42 Error SyntaxError: Invalid Type. */
-/* @@? 16:42 Error SyntaxError: Unexpected token, expected ')'. */
-/* @@? 16:45 Error SyntaxError: Unexpected token ')'. */
-/* @@? 16:47 Error SyntaxError: Unexpected token '{'. */
+/* @@? 16:24 Error SyntaxError: Using object literals to declare types in place is not supported. Please declare types and interfaces explicitly! */
+/* @@? 16:42 Error SyntaxError: Using object literals to declare types in place is not supported. Please declare types and interfaces explicitly! */
+/* @@? 16:45 Error TypeError: The `keyof` keyword can only be used for class or interface type. */
 /* @@? 18:33 Error TypeError: Cannot find type 'Observable'. */
 /* @@? 18:33 Error TypeError: The super type of 'ObservableImpl' class is not extensible. */
-/* @@? 20:9 Error TypeError: Type 'ObservableImpl<T>' is generic but type argument were not provided. */
-/* @@? 20:24 Error SyntaxError: Invalid Type. */
-/* @@? 20:24 Error SyntaxError: Unexpected token, expected '>'. */
-/* @@? 20:27 Error TypeError: Unresolved reference K */
-/* @@? 20:29 Error SyntaxError: Unexpected token, expected ',' or ']'. */
-/* @@? 20:29 Error SyntaxError: Unexpected token 'in'. */
-/* @@? 20:29 Error TypeError: Unresolved reference in */
-/* @@? 20:32 Error SyntaxError: Unexpected token 'keyof'. */
-/* @@? 20:32 Error TypeError: This expression is not callable. */
-/* @@? 20:41 Error SyntaxError: Unexpected token, expected ')'. */
+/* @@? 20:24 Error SyntaxError: Using object literals to declare types in place is not supported. Please declare types and interfaces explicitly! */
+/* @@? 20:27 Error SyntaxError: Unexpected token 'K'. */
+/* @@? 20:32 Error SyntaxError: Field type annotation expected. */
+/* @@? 20:41 Error SyntaxError: Unexpected token '&'. */
+/* @@? 20:41 Error SyntaxError: Unexpected token, expected ',' or ')'. */
+/* @@? 20:41 Error SyntaxError: Parameter declaration should have an explicit type annotation. */
+/* @@? 20:44 Error SyntaxError: Field type annotation expected. */
+/* @@? 20:44 Error SyntaxError: Unexpected token ')'. */
 /* @@? 20:45 Error SyntaxError: Unexpected token ']'. */
 /* @@? 20:46 Error SyntaxError: Unexpected token ':'. */
-/* @@? 20:46 Error TypeError: Indexed access is not supported for such expression type. */
-/* @@? 20:60 Error SyntaxError: Unexpected token '>'. */
-/* @@? 20:61 Error SyntaxError: Unexpected token '('. */
-/* @@? 20:62 Error SyntaxError: Unexpected token ')'. */
-/* @@? 22:1 Error SyntaxError: Unexpected token '}'. */
+/* @@? 20:48 Error SyntaxError: Unexpected token '('. */
+/* @@? 20:51 Error SyntaxError: Field type annotation expected. */
+/* @@? 20:51 Error SyntaxError: Unexpected token '&'. */
+/* @@? 20:54 Error SyntaxError: Field type annotation expected. */
+/* @@? 20:54 Error SyntaxError: Unexpected token ')'. */
+/* @@? 20:56 Error SyntaxError: Unexpected token 'K'. */
+/* @@? 20:57 Error SyntaxError: Unexpected token ']'. */
 /* @@? 24:36 Error TypeError: The `keyof` keyword can only be used for class or interface type. */
-/* @@? 24:42 Error SyntaxError: Unexpected token ']'. */
 /* @@? 24:42 Error SyntaxError: Unexpected token, expected ']'. */
+/* @@? 24:42 Error SyntaxError: Unexpected token ']'. */
 /* @@? 24:43 Error SyntaxError: Unexpected token ']'. */
 /* @@? 24:45 Error SyntaxError: Unexpected token 'extends'. */
 /* @@? 24:53 Error SyntaxError: Unexpected token 'object'. */
 /* @@? 24:53 Error TypeError: Type name 'object' used in the wrong context */
+/* @@? 24:62 Error TypeError: Unresolved reference keyof */
 /* @@? 24:68 Error SyntaxError: Unexpected token. */
 /* @@? 24:68 Error TypeError: Unresolved reference T */
 /* @@? 24:68 Error TypeError: Indexed access is not supported for such expression type. */
diff --git a/ets2panda/test/ast/parser/ets/FixedArray/functionTypeParam_neg2.ets b/ets2panda/test/ast/parser/ets/FixedArray/functionTypeParam_neg2.ets
index 6651396d4b4f70b98d33b6f13bddcc063ecc15c2..49a08ff7e5c657fe249e7bb2090fec0104ec94d9 100644
--- a/ets2panda/test/ast/parser/ets/FixedArray/functionTypeParam_neg2.ets
+++ b/ets2panda/test/ast/parser/ets/FixedArray/functionTypeParam_neg2.ets
@@ -23,8 +23,8 @@ declare class Environment {
     static foo7(props1: {key:string, value:int}[], props2: FixedArray<int>): void;
 }
 
-/* @@? 17:23 Error SyntaxError: Invalid Type. */
-/* @@? 18:25 Error SyntaxError: Invalid Type. */
+/* @@? 17:23 Error SyntaxError: Using object literals to declare types in place is not supported. Please declare types and interfaces explicitly! */
+/* @@? 18:25 Error SyntaxError: Using object literals to declare types in place is not supported. Please declare types and interfaces explicitly! */
 /* @@? 19:25 Error SyntaxError: Invalid Type. */
 /* @@? 21:20 Error SyntaxError: Invalid Type. */
 /* @@? 21:28 Error SyntaxError: Invalid Type. */
@@ -32,4 +32,5 @@ declare class Environment {
 /* @@? 21:37 Error SyntaxError: Unexpected token, expected '('. */
 /* @@? 21:37 Error SyntaxError: Invalid Type. */
 /* @@? 22:20 Error SyntaxError: Invalid Type. */
-/* @@? 23:25 Error SyntaxError: Invalid Type. */
\ No newline at end of file
+/* @@? 23:25 Error SyntaxError: Using object literals to declare types in place is not supported. Please declare types and interfaces explicitly! */
+/* @@? 23:36 Error SyntaxError: Unexpected token ','. */
diff --git a/ets2panda/test/ast/parser/ets/MultipleFunctionErrors.ets b/ets2panda/test/ast/parser/ets/MultipleFunctionErrors.ets
index 85f7f8a87135c0e294950d3ebbe3a70f80ae0539..e4ac2d35782c9a20b94cc544bb90aeb0ba88c1f0 100644
--- a/ets2panda/test/ast/parser/ets/MultipleFunctionErrors.ets
+++ b/ets2panda/test/ast/parser/ets/MultipleFunctionErrors.ets
@@ -17,9 +17,12 @@ function /* @@ label */(): void {
 }
 
 function /* @@ label1 */(): /* @@ label2 */{
-    return 77;
+    /* @@ label3 */return /* @@ label4 */77;
 }
 
 /* @@@ label Error SyntaxError: Unexpected token, expected an identifier. */
 /* @@@ label1 Error SyntaxError: Unexpected token, expected an identifier. */
-/* @@@ label2 Error SyntaxError: Invalid Type. */
+/* @@@ label1 Error TypeError: Only abstract or native methods can't have body. */
+/* @@@ label2 Error SyntaxError: Using object literals to declare types in place is not supported. Please declare types and interfaces explicitly! */
+/* @@@ label3 Error SyntaxError: Unexpected token 'return'. */
+/* @@@ label4 Error SyntaxError: Unexpected token '77'. */
diff --git a/ets2panda/test/ast/parser/ets/circular_type_in_alias.ets b/ets2panda/test/ast/parser/ets/circular_type_in_alias.ets
index 920263f091680b1a7e4356a37f2f30b36b682b12..647e122ae984e7386cfb3cbaf8889349fd1dd353 100644
--- a/ets2panda/test/ast/parser/ets/circular_type_in_alias.ets
+++ b/ets2panda/test/ast/parser/ets/circular_type_in_alias.ets
@@ -18,21 +18,17 @@ type Loop<T, U extends Loop<T, U>> = {
 };
 
 /* @@? 16:24 Error TypeError: Circular type alias reference */
-/* @@? 16:38 Error SyntaxError: Invalid Type. */
-/* @@? 17:6 Error TypeError: Unresolved reference P */
-/* @@? 17:8 Error SyntaxError: Unexpected token, expected ',' or ']'. */
-/* @@? 17:8 Error SyntaxError: Unexpected token 'in'. */
-/* @@? 17:8 Error TypeError: Unresolved reference in */
-/* @@? 17:11 Error SyntaxError: Unexpected token 'keyof'. */
-/* @@? 17:11 Error TypeError: Unresolved reference keyof */
-/* @@? 17:17 Error SyntaxError: Unexpected token 'T'. */
-/* @@? 17:17 Error TypeError: Unresolved reference T */
+/* @@? 16:38 Error SyntaxError: Using object literals to declare types in place is not supported. Please declare types and interfaces explicitly! */
+/* @@? 17:6 Error SyntaxError: Unexpected token 'P'. */
+/* @@? 17:11 Error SyntaxError: Field type annotation expected. */
+/* @@? 17:17 Error SyntaxError: Field type annotation expected. */
+/* @@? 17:18 Error SyntaxError: Field type annotation expected. */
 /* @@? 17:18 Error SyntaxError: Unexpected token ']'. */
 /* @@? 17:19 Error SyntaxError: Unexpected token ':'. */
-/* @@? 17:21 Error SyntaxError: Unexpected token 'U'. */
-/* @@? 17:21 Error TypeError: Unresolved reference U */
-/* @@? 17:21 Error TypeError: Indexed access is not supported for such expression type. */
+/* @@? 17:22 Error SyntaxError: Field type annotation expected. */
+/* @@? 17:23 Error SyntaxError: Unexpected token 'P'. */
+/* @@? 17:24 Error SyntaxError: Unexpected token ']'. */
 /* @@? 17:26 Error SyntaxError: Unexpected token 'extends'. */
 /* @@? 17:34 Error SyntaxError: Unexpected token 'boolean'. */
-/* @@? 17:44 Error TypeError: Type name 'number' used in the wrong context */
-/* @@? 17:53 Error TypeError: Type name 'string' used in the wrong context */
+/* @@? 17:42 Error SyntaxError: Unexpected token '?'. */
+/* @@? 17:44 Error SyntaxError: number is a predefined type, cannot be used as an identifier */
diff --git a/ets2panda/test/ast/parser/ets/functionTypeParam_neg2.ets b/ets2panda/test/ast/parser/ets/functionTypeParam_neg2.ets
index b397027c6bc09776e6276193f9c9a1419bf51a80..a6b1b3e066c92cbe76534627c963d174f9967d46 100644
--- a/ets2panda/test/ast/parser/ets/functionTypeParam_neg2.ets
+++ b/ets2panda/test/ast/parser/ets/functionTypeParam_neg2.ets
@@ -23,8 +23,8 @@ declare class Environment {
     static foo7(props1: {key:string, value:int}[], props2: int[]): void;
 }
 
-/* @@? 17:23 Error SyntaxError: Invalid Type. */
-/* @@? 18:25 Error SyntaxError: Invalid Type. */
+/* @@? 17:23 Error SyntaxError: Using object literals to declare types in place is not supported. Please declare types and interfaces explicitly! */
+/* @@? 18:25 Error SyntaxError: Using object literals to declare types in place is not supported. Please declare types and interfaces explicitly! */
 /* @@? 19:25 Error SyntaxError: Invalid Type. */
 /* @@? 21:20 Error SyntaxError: Invalid Type. */
 /* @@? 21:28 Error SyntaxError: Invalid Type. */
@@ -32,4 +32,5 @@ declare class Environment {
 /* @@? 21:37 Error SyntaxError: Unexpected token, expected '('. */
 /* @@? 21:37 Error SyntaxError: Invalid Type. */
 /* @@? 22:20 Error SyntaxError: Invalid Type. */
-/* @@? 23:25 Error SyntaxError: Invalid Type. */
\ No newline at end of file
+/* @@? 23:25 Error SyntaxError: Using object literals to declare types in place is not supported. Please declare types and interfaces explicitly! */
+/* @@? 23:36 Error SyntaxError: Unexpected token ','. */
\ No newline at end of file
diff --git a/ets2panda/test/ast/parser/ets/invalid_type_assignment.ets b/ets2panda/test/ast/parser/ets/invalid_type_assignment.ets
index c7c6bb00c62ad516e7cc808575e44a6bc7c335a8..057532f5add45d374e1790ee62096d440678ce72 100644
--- a/ets2panda/test/ast/parser/ets/invalid_type_assignment.ets
+++ b/ets2panda/test/ast/parser/ets/invalid_type_assignment.ets
@@ -20,11 +20,7 @@ flags: [dynamic-ast]
 type Point = { x: number; y: number };
 type AxeX = Point['x'];
 
-/* @@? 20:14 Error SyntaxError: Invalid Type. */
-/* @@? 20:19 Error SyntaxError: Label must be followed by a loop statement. */
-/* @@? 20:19 Error TypeError: Type name 'number' used in the wrong context */
-/* @@? 20:30 Error SyntaxError: Label must be followed by a loop statement. */
-/* @@? 20:30 Error TypeError: Type name 'number' used in the wrong context */
+/* @@? 20:14 Error SyntaxError: Using object literals to declare types in place is not supported. Please declare types and interfaces explicitly! */
 /* @@? 21:19 Error SyntaxError: Unexpected token, expected ']'. */
 /* @@? 21:19 Error SyntaxError: Unexpected token ']'. */
 /* @@? 21:22 Error SyntaxError: Unexpected token ']'. */
diff --git a/ets2panda/test/ast/parser/ets/namespace_bad_token.ets b/ets2panda/test/ast/parser/ets/namespace_bad_token.ets
index 2b279dceae922adf414b83d7989d4b169ba60f3e..5576913d3324f063cc44624d95b259aba988a9d9 100644
--- a/ets2panda/test/ast/parser/ets/namespace_bad_token.ets
+++ b/ets2panda/test/ast/parser/ets/namespace_bad_token.ets
@@ -17,5 +17,5 @@ declare namespace uiObserver {
     function on(options: { a: number }, callback: ): void;
 }
   
-/* @@? 17:26 Error SyntaxError: Invalid Type. */
+/* @@? 17:26 Error SyntaxError: Using object literals to declare types in place is not supported. Please declare types and interfaces explicitly! */
 /* @@? 17:51 Error SyntaxError: Invalid Type. */
\ No newline at end of file
diff --git a/ets2panda/test/ast/parser/ets/recursive_exported_structure.ets b/ets2panda/test/ast/parser/ets/recursive_exported_structure.ets
index f9dc3af5f82fcb76a03f650e2f14a8adf0bdd533..ab4e201454b5217b308f309f1771329a7456194b 100644
--- a/ets2panda/test/ast/parser/ets/recursive_exported_structure.ets
+++ b/ets2panda/test/ast/parser/ets/recursive_exported_structure.ets
@@ -88,7 +88,7 @@ const _exported: ExportedType = _exportedStructure;
 
 export default _exported;
 
-/* @@? 26:26 Error SyntaxError: Invalid Type. */
+/* @@? 26:26 Error SyntaxError: Using object literals to declare types in place is not supported. Please declare types and interfaces explicitly! */
 /* @@? 41:12 Error TypeError: No matching call signature for (...) */
 /* @@? 41:23 Error TypeError: need to specify target type for class composite */
 /* @@? 54:20 Error TypeError: No matching call signature for (...) */
diff --git a/ets2panda/test/ast/parser/ets/type_references.ets b/ets2panda/test/ast/parser/ets/type_references.ets
index ccd5dcbbdb044e75be1df333b5d19eb5596ebc35..4659ad2318d3ba2c6233d479ebf8516b534424c4 100644
--- a/ets2panda/test/ast/parser/ets/type_references.ets
+++ b/ets2panda/test/ast/parser/ets/type_references.ets
@@ -20,15 +20,4 @@ let y: G<{a:String}, B> // Error
 
 /* @@? 18:8 Error TypeError: Cannot find type 'G'. */
 /* @@? 19:8 Error TypeError: Cannot find type 'G'. */
-/* @@? 19:10 Error SyntaxError: Invalid Type. */
-/* @@? 19:10 Error SyntaxError: Unexpected token, expected '>'. */
-/* @@? 19:10 Error SyntaxError: Unexpected token '>'. */
-/* @@? 19:11 Error SyntaxError: Unexpected token 'a'. */
-/* @@? 19:13 Error SyntaxError: Label must be followed by a loop statement. */
-/* @@? 19:13 Error TypeError: Class name 'String' used in the wrong context */
-/* @@? 19:19 Error SyntaxError: Unexpected token '}'. */
-/* @@? 19:20 Error SyntaxError: Unexpected token ','. */
-/* @@? 19:22 Error SyntaxError: Unexpected token 'B'. */
-/* @@? 19:22 Error TypeError: Type name 'B' used in the wrong context */
-/* @@? 19:22 Error TypeError: Bad operand type, the types of the operands must be numeric, same enumeration, or boolean type. */
-/* @@? 35:1 Error SyntaxError: Unexpected token 'end of stream'. */
+/* @@? 19:10 Error SyntaxError: Using object literals to declare types in place is not supported. Please declare types and interfaces explicitly! */
diff --git a/ets2panda/test/unit/lsp/refactors_convert_chain_test.cpp b/ets2panda/test/unit/lsp/refactors_convert_chain_test.cpp
index 514202b21a304cd30800faf83fe652c8a7d2c898..3a53f51d66ee0afdcfeede65f1427d35de9ec5e3 100644
--- a/ets2panda/test/unit/lsp/refactors_convert_chain_test.cpp
+++ b/ets2panda/test/unit/lsp/refactors_convert_chain_test.cpp
@@ -57,14 +57,12 @@ TEST_F(LspChainRefTests, ConvertChainRefactor1)
 TEST_F(LspChainRefTests, ConvertChainRefactor2)
 {
     std::vector<std::string> files = {"ConvertChainRefactor2.ets"};
-    std::vector<std::string> texts = {R"(interface Foo{
-bar?:{
-baz?:string | null;
-}
+    std::vector<std::string> texts = {R"(interface A { baz?:string | null; }
+interface Foo{
+bar?: A
 }
 declare let foo: Foo;
-let ccc = /*1*/foo.bar ?
-foo.bar.baz : "whenFalse";/*2*/
+let ccc = /*1*/foo.bar ? foo.bar.baz : "whenFalse";/*2*/
  )"};
 
     auto filePaths = CreateTempFile(files, texts);
@@ -87,14 +85,12 @@ foo.bar.baz : "whenFalse";/*2*/
 TEST_F(LspChainRefTests, ConvertChainRefactor3)
 {
     std::vector<std::string> files = {"ConvertChainRefactor3.ets"};
-    std::vector<std::string> texts = {R"(interface Foo{
-bar?:{
-baz: string;
-}
+    std::vector<std::string> texts = {R"(interface A { baz: string }
+interface Foo{
+bar?: A
 }
 declare let foo: Foo;
-let ccc = /*1*/foo.bar?
-foo.bar.baz: "whenFalse";/*2*/
+let ccc = /*1*/foo.bar ? foo.bar.baz: "whenFalse";/*2*/
  )"};
 
     auto filePaths = CreateTempFile(files, texts);
diff --git a/ets2panda/util/diagnostic/syntax.yaml b/ets2panda/util/diagnostic/syntax.yaml
index 753cd09ad1b0c6e2d0ce37817ee324a058e07cc1..3fbf28651e1225e56f7e36a8839857c383df580c 100644
--- a/ets2panda/util/diagnostic/syntax.yaml
+++ b/ets2panda/util/diagnostic/syntax.yaml
@@ -1243,3 +1243,7 @@ syntax:
 - name: DEFAULT_PARAM_IN_DECLARE
   id: 307
   message: "A parameter initializer is only allowed in a function or constructor implementation."
+
+- name: ERROR_ARKTS_NO_OBJ_LITERAL_TO_DECL_TYPE
+  id: 308
+  message: "Using object literals to declare types in place is not supported. Please declare types and interfaces explicitly!"