How To Fix CRM_MESSAGES024 - Incorrect call of message handler (unknown GUID)

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_MESSAGES - Output for CRM Output Collector

• Message number: 024

• Message text: Incorrect call of message handler (unknown GUID)

What causes this issue?

The message handler expects a valid reference GUID with IV_REF_OBJECT,
that is, the GUID of a CRM document header or a CRM document item. The
GUID '&V1&' is however not a valid reference GUID.

System Response

The system terminates the action.

How to fix this error?

This is caused by a program error. Contact SAP.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_MESSAGES024 - Incorrect call of message handler (unknown GUID) ?

  The SAP error message CRM_MESSAGES024 ("Incorrect call of message handler (unknown GUID)") typically occurs in the SAP Customer Relationship Management (CRM) system when there is an issue related to the message handling framework, particularly when a message handler is called with an invalid or unknown GUID (Globally Unique Identifier).
  Causes:
  
  Invalid GUID: The GUID being referenced may not exist in the system, possibly due to data corruption or incorrect data entry.
  Message Handler Configuration: The message handler may not be properly configured or registered in the system.
  System Updates or Changes: Recent updates or changes to the system may have affected the message handling framework, leading to inconsistencies.
  Custom Development: If there are custom developments or enhancements in the CRM system, they may not be handling GUIDs correctly.
  
  Solutions:
  
  Check the GUID: Verify that the GUID being used is correct and exists in the relevant database tables. You can use transaction codes like SE11 or SE16 to check the relevant tables.
  Review Message Handler Configuration: Ensure that the message handler is correctly configured and registered. This may involve checking the relevant customizing settings in the CRM system.
  Debugging: If you have access to the development environment, you can debug the code to trace where the incorrect GUID is being generated or passed.
  Check for System Notes: Look for any SAP Notes or patches that may address this specific error. SAP frequently releases updates that fix known issues.
  Consult Documentation: Review the SAP documentation related to message handling in CRM to ensure that all configurations are set up correctly.
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM21 (System Log), SLG1 (Application Log), and ST22 (Dump Analysis) to gather more information about the error.
  SAP Notes: Search the SAP Support Portal for notes related to CRM_MESSAGES024 or similar issues.
  Community Forums: Check SAP Community forums or other online resources where similar issues may have been discussed.
  
  By following these steps, you should be able to identify the root cause of the error and implement a suitable solution.