diff --git a/src/main/java/neatlogic/framework/process/stephandler/core/ProcessStepInternalHandlerBase.java b/src/main/java/neatlogic/framework/process/stephandler/core/ProcessStepInternalHandlerBase.java
index 5c2aaa66d90b22bcbe3600af1da2b59c5d4a6ac4..10e1b0cee7e966fe2cc16fecd2f9aa0f6451f11c 100644
--- a/src/main/java/neatlogic/framework/process/stephandler/core/ProcessStepInternalHandlerBase.java
+++ b/src/main/java/neatlogic/framework/process/stephandler/core/ProcessStepInternalHandlerBase.java
@@ -158,7 +158,7 @@ public abstract class ProcessStepInternalHandlerBase implements IProcessStepInte
         }
         IProcessStepInternalHandler processStepUtilHandler = ProcessStepInternalHandlerFactory.getHandler(handler);
         if (processStepUtilHandler == null) {
-            throw new ProcessStepUtilHandlerNotFoundException(handler);
+            return null;
         }
         IProcessStepHandlerCrossoverMapper processStepHandlerCrossoverMapper = CrossoverServiceFactory.getApi(IProcessStepHandlerCrossoverMapper.class);
         String processStepHandlerConfig = processStepHandlerCrossoverMapper.getProcessStepHandlerConfigByHandler(handler);