diff --git a/ets2panda/checker/ETSAnalyzer.cpp b/ets2panda/checker/ETSAnalyzer.cpp
index 95113ed59c675d244b23db736b586f42413d9e07..a0dd5dc276455014b888a31e1e434d66f8bfa3c5 100644
--- a/ets2panda/checker/ETSAnalyzer.cpp
+++ b/ets2panda/checker/ETSAnalyzer.cpp
@@ -261,6 +261,10 @@ checker::Type *ETSAnalyzer::Check(ir::MethodDefinition *node) const
         checker->AddStatus(CheckerStatus::IN_STATIC_BLOCK);
     }
 
+    if (node->TsType() != nullptr && node->TsType()->IsTypeError()) {
+        return node->TsType();
+    }
+
     this->CheckMethodModifiers(node);
     HandleNativeAndAsyncMethods(checker, node);
     DoBodyTypeChecking(checker, node, scriptFunc);
diff --git a/ets2panda/test/ast/parser/ets/async_this.ets b/ets2panda/test/ast/parser/ets/async_this.ets
new file mode 100644
index 0000000000000000000000000000000000000000..7abb732b25bc33d6eea6962267f13c9980ca25e7
--- /dev/null
+++ b/ets2panda/test/ast/parser/ets/async_this.ets
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2024-2025 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.
+ */
+
+class A{
+    async foo(this:A){
+        return new Promise<number>((resolve)=>{})
+    }
+}
+
+/* @@? 17:15 Error SyntaxError: Unexpected 'this' keyword in non-receiver context.  */
\ No newline at end of file
diff --git a/ets2panda/test/ast/parser/ets/extension_function_tests/extension_function_error1.ets b/ets2panda/test/ast/parser/ets/extension_function_tests/extension_function_error1.ets
index 47d3887c4c2635fdf1c73651156c33eea74ed591..dc07a979392b8b518cbf1c0fd1e5d8fe3f4e777b 100644
--- a/ets2panda/test/ast/parser/ets/extension_function_tests/extension_function_error1.ets
+++ b/ets2panda/test/ast/parser/ets/extension_function_tests/extension_function_error1.ets
@@ -17,9 +17,7 @@
 function animatableWidth(this: TextAttribute, this { this.width(width); return this;
 }
 
-/* @@? 16:2 Error TypeError: Cannot find type 'AnimatableExtend'. */
-/* @@? 17:32 Error TypeError: Cannot find type 'TextAttribute'. */
-/* @@? 17:52 Error SyntaxError: The function parameter 'this' must explicitly specify the typeAnnotation. */
-/* @@? 17:52 Error SyntaxError: Unexpected token, expected ',' or ')'. */
-/* @@? 17:54 Error TypeError: Cannot reference 'this' in this context. */
-/* @@? 17:59 Error TypeError: Property 'width' does not exist on type 'Error' */
+/* @@? 16:2 Error TypeError: Cannot find type 'AnimatableExtend'.  */
+/* @@? 17:32 Error TypeError: Cannot find type 'TextAttribute'.  */
+/* @@? 17:52 Error SyntaxError: The function parameter 'this' must explicitly specify the typeAnnotation.  */
+/* @@? 17:52 Error SyntaxError: Unexpected token, expected ',' or ')'.  */
diff --git a/ets2panda/test/ast/parser/ets/trailing_lambda_tests/invalid_rest_param_for_await_fuzz.ets b/ets2panda/test/ast/parser/ets/trailing_lambda_tests/invalid_rest_param_for_await_fuzz.ets
index d07405831eab31ceda339fc9291d0fb004b43bc7..62c20b2df9dd77f9927cda9f4f64cdf8ca2b24a1 100644
--- a/ets2panda/test/ast/parser/ets/trailing_lambda_tests/invalid_rest_param_for_await_fuzz.ets
+++ b/ets2panda/test/ast/parser/ets/trailing_lambda_tests/invalid_rest_param_for_await_fuzz.ets
@@ -20,63 +20,62 @@ async WeakMap => ...delete const { Intl } = [ { opt } = [({} ? 4 : Array[-=])];
 }
 
 
-/* @@? 16:7 Error SyntaxError: 'async' flags must be used for functions only at top-level. */
-/* @@? 16:15 Error SyntaxError: Unexpected token, expected an identifier. */
-/* @@? 16:15 Error SyntaxError: Unexpected token, expected '('. */
-/* @@? 16:28 Error SyntaxError: Parameter declaration should have an explicit type annotation. */
-/* @@? 16:28 Error SyntaxError: Rest parameter must be the last formal parameter. */
-/* @@? 16:36 Error SyntaxError: Namespace cannot be used as object. */
-/* @@? 16:43 Error SyntaxError: Unexpected token '='. */
-/* @@? 16:43 Error TypeError: Indexed access is not supported for such expression type. */
-/* @@? 16:74 Error SyntaxError: Unexpected token '-='. */
-/* @@? 16:79 Error SyntaxError: Unexpected token, expected ']'. */
-/* @@? 17:1 Error SyntaxError: Unexpected token ','. */
-/* @@? 17:3 Error SyntaxError: Unexpected token '...'. */
-/* @@? 17:15 Error SyntaxError: Using object literals to declare types in place is not supported. Please declare types and interfaces explicitly! */
-/* @@? 17:16 Error SyntaxError: Unexpected token '.'. */
-/* @@? 17:17 Error SyntaxError: Unexpected token ':'. */
-/* @@? 17:19 Error SyntaxError: Unexpected token '0'. */
-/* @@? 17:21 Error SyntaxError: Unexpected token, expected ')'. */
-/* @@? 17:22 Error SyntaxError: Unexpected token ']'. */
-/* @@? 17:23 Error SyntaxError: Unexpected token ')'. */
-/* @@? 17:23 Error TypeError: This expression is not callable. */
-/* @@? 17:23 Error TypeError: Indexed access is not supported for such expression type. */
-/* @@? 17:25 Error SyntaxError: Unexpected token ','. */
-/* @@? 17:26 Error SyntaxError: Unexpected token, expected ',' or ')'. */
-/* @@? 17:27 Error SyntaxError: Unexpected token ':'. */
-/* @@? 17:29 Error SyntaxError: Unexpected token '88'. */
-/* @@? 17:38 Error SyntaxError: Unexpected token ')'. */
-/* @@? 17:39 Error SyntaxError: Unexpected token ','. */
-/* @@? 17:41 Error SyntaxError: Unexpected token '...'. */
-/* @@? 17:44 Error SyntaxError: Unexpected token 'opt'. */
-/* @@? 17:44 Error TypeError: Unresolved reference opt */
-/* @@? 17:47 Error SyntaxError: Unexpected token ','. */
-/* @@? 17:47 Error TypeError: This expression is not callable. */
-/* @@? 17:55 Error SyntaxError: Unexpected token ':'. */
-/* @@? 17:57 Error SyntaxError: Unexpected token. */
-/* @@? 17:62 Error SyntaxError: Unexpected token ']'. */
-/* @@? 17:62 Error TypeError: Indexed access is not supported for such expression type. */
-/* @@? 17:71 Error SyntaxError: Unexpected token '?'. */
-/* @@? 17:73 Error SyntaxError: Unexpected token, expected ')'. */
-/* @@? 17:75 Error SyntaxError: Unexpected token, expected ']'. */
-/* @@? 17:77 Error SyntaxError: Unexpected token, expected ']'. */
-/* @@? 17:78 Error SyntaxError: Unexpected token '}'. */
-/* @@? 17:87 Error SyntaxError: Unexpected token ')'. */
-/* @@? 17:88 Error SyntaxError: Unexpected token ']'. */
-/* @@? 17:89 Error SyntaxError: Unexpected token ']'. */
-/* @@? 18:2 Error SyntaxError: Unexpected token '>>>='. */
-/* @@? 18:7 Error SyntaxError: Unexpected token 'sub'. */
-/* @@? 18:7 Error TypeError: Unresolved reference sub */
-/* @@? 18:24 Error SyntaxError: Unexpected token 'await'. */
-/* @@? 18:24 Error SyntaxError: Unexpected token, expected ',' or ')'. */
-/* @@? 18:24 Error TypeError: Invalid left-hand side of assignment expression */
-/* @@? 18:30 Error SyntaxError: Class cannot be used as object. */
-/* @@? 18:30 Error TypeError: 'await' expressions require Promise object as argument. */
-/* @@? 18:42 Error SyntaxError: Invalid left-hand side in assignment expression. */
-/* @@? 18:58 Error SyntaxError: Unexpected token ')'. */
-/* @@? 18:60 Error TypeError: Unresolved reference missing */
-/* @@? 18:68 Error SyntaxError: Unexpected token ''. */
-/* @@? 18:68 Error SyntaxError: Newline is not allowed in strings */
-/* @@? 18:69 Error SyntaxError: Unexpected token '}'. */
-/* @@? 18:69 Error SyntaxError: Unexpected token '> __a:be'. */
-/* @@? 18:69 Error SyntaxError: Newline is not allowed in strings */
+/* @@? 16:7 Error SyntaxError: 'async' flags must be used for functions only at top-level.  */
+/* @@? 16:15 Error SyntaxError: Unexpected token, expected an identifier.  */
+/* @@? 16:15 Error SyntaxError: Unexpected token, expected '('.  */
+/* @@? 16:28 Error SyntaxError: Parameter declaration should have an explicit type annotation.  */
+/* @@? 16:28 Error SyntaxError: Rest parameter must be the last formal parameter.  */
+/* @@? 16:43 Error SyntaxError: Unexpected token '='.  */
+/* @@? 16:43 Error TypeError: Indexed access is not supported for such expression type.  */
+/* @@? 16:74 Error SyntaxError: Unexpected token '-='.  */
+/* @@? 16:79 Error SyntaxError: Unexpected token, expected ']'.  */
+/* @@? 17:1 Error SyntaxError: Unexpected token ','.  */
+/* @@? 17:3 Error SyntaxError: Unexpected token '...'.  */
+/* @@? 17:15 Error SyntaxError: Using object literals to declare types in place is not supported. Please declare types and interfaces explicitly!  */
+/* @@? 17:16 Error SyntaxError: Unexpected token '.'.  */
+/* @@? 17:17 Error SyntaxError: Unexpected token ':'.  */
+/* @@? 17:19 Error SyntaxError: Unexpected token '0'.  */
+/* @@? 17:21 Error SyntaxError: Unexpected token, expected ')'.  */
+/* @@? 17:22 Error SyntaxError: Unexpected token ']'.  */
+/* @@? 17:23 Error SyntaxError: Unexpected token ')'.  */
+/* @@? 17:23 Error TypeError: This expression is not callable.  */
+/* @@? 17:23 Error TypeError: Indexed access is not supported for such expression type.  */
+/* @@? 17:25 Error SyntaxError: Unexpected token ','.  */
+/* @@? 17:26 Error SyntaxError: Unexpected token, expected ',' or ')'.  */
+/* @@? 17:27 Error SyntaxError: Unexpected token ':'.  */
+/* @@? 17:29 Error SyntaxError: Unexpected token '88'.  */
+/* @@? 17:38 Error SyntaxError: Unexpected token ')'.  */
+/* @@? 17:39 Error SyntaxError: Unexpected token ','.  */
+/* @@? 17:41 Error SyntaxError: Unexpected token '...'.  */
+/* @@? 17:44 Error SyntaxError: Unexpected token 'opt'.  */
+/* @@? 17:44 Error TypeError: Unresolved reference opt  */
+/* @@? 17:47 Error SyntaxError: Unexpected token ','.  */
+/* @@? 17:47 Error TypeError: This expression is not callable.  */
+/* @@? 17:55 Error SyntaxError: Unexpected token ':'.  */
+/* @@? 17:57 Error SyntaxError: Unexpected token.  */
+/* @@? 17:62 Error SyntaxError: Unexpected token ']'.  */
+/* @@? 17:62 Error TypeError: Indexed access is not supported for such expression type.  */
+/* @@? 17:71 Error SyntaxError: Unexpected token '?'.  */
+/* @@? 17:73 Error SyntaxError: Unexpected token, expected ')'.  */
+/* @@? 17:75 Error SyntaxError: Unexpected token, expected ']'.  */
+/* @@? 17:77 Error SyntaxError: Unexpected token, expected ']'.  */
+/* @@? 17:78 Error SyntaxError: Unexpected token '}'.  */
+/* @@? 17:87 Error SyntaxError: Unexpected token ')'.  */
+/* @@? 17:88 Error SyntaxError: Unexpected token ']'.  */
+/* @@? 17:89 Error SyntaxError: Unexpected token ']'.  */
+/* @@? 18:2 Error SyntaxError: Unexpected token '>>>='.  */
+/* @@? 18:7 Error SyntaxError: Unexpected token 'sub'.  */
+/* @@? 18:7 Error TypeError: Unresolved reference sub  */
+/* @@? 18:24 Error SyntaxError: Unexpected token 'await'.  */
+/* @@? 18:24 Error SyntaxError: Unexpected token, expected ',' or ')'.  */
+/* @@? 18:24 Error TypeError: Invalid left-hand side of assignment expression  */
+/* @@? 18:30 Error SyntaxError: Class cannot be used as object.  */
+/* @@? 18:30 Error TypeError: 'await' expressions require Promise object as argument.  */
+/* @@? 18:42 Error SyntaxError: Invalid left-hand side in assignment expression.  */
+/* @@? 18:58 Error SyntaxError: Unexpected token ')'.  */
+/* @@? 18:60 Error TypeError: Unresolved reference missing  */
+/* @@? 18:68 Error SyntaxError: Unexpected token ''.  */
+/* @@? 18:68 Error SyntaxError: Newline is not allowed in strings  */
+/* @@? 18:69 Error SyntaxError: Unexpected token '}'.  */
+/* @@? 18:69 Error SyntaxError: Unexpected token '> __a:be'.  */
+/* @@? 18:69 Error SyntaxError: Newline is not allowed in strings  */