How To Fix EC401 - Error calling version &1 of user interface &2

SAP Error Message - Details

• Message type: E = Error

• Message class: EC - Development environment: Menu Painter

• Message number: 401

• Message text: Error calling version &1 of user interface &2

What causes this issue?

You have changed the preset entry point for user interface maintenance.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

If you want to use this entry point in future, continue processing.
If you have changed the entry point accidentally, undo your change.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message EC401 - Error calling version &1 of user interface &2 ?

  The SAP error message EC401, which states "Error calling version &1 of user interface &2," typically indicates that there is an issue with the user interface (UI) component being called in the SAP system. This error can arise due to various reasons, including configuration issues, missing components, or version mismatches.
  Causes:
  
  Version Mismatch: The version of the user interface being called may not be compatible with the current system or may not exist.
  Configuration Issues: Incorrect configuration settings in the SAP system can lead to this error.
  Missing Components: Required components or dependencies for the user interface may be missing or not properly installed.
  Authorization Issues: The user may not have the necessary authorizations to access the specified user interface.
  Transport Issues: If the user interface was recently transported from another system, there may be issues with the transport itself.
  
  Solutions:
  
  Check Version Compatibility: Verify that the version of the user interface being called is compatible with your SAP system. You may need to update or adjust the version being used.
  Review Configuration Settings: Go through the configuration settings related to the user interface to ensure they are set up correctly.
  Install Missing Components: If any components are missing, install them or ensure they are properly configured in the system.
  Check Authorizations: Ensure that the user has the necessary authorizations to access the user interface. You may need to adjust roles or permissions.
  Transport Validation: If the user interface was transported, check the transport logs for any errors and ensure that all necessary objects were included in the transport.
  Consult Documentation: Refer to SAP documentation or notes related to the specific user interface for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific fixes or patches related to the EC401 error. SAP frequently updates its knowledge base with solutions for common issues.
  Transaction Codes: Use transaction codes like SE80 (Object Navigator) or SE37 (Function Module) to investigate the user interface and its components.
  Debugging: If you have access, consider debugging the process to identify where the error is occurring in the code.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.