How To Fix CRM_IC_APPL_UI_BDC124 - Class &1 does not match transaction definition; class cannot be used

SAP Error Message - Details

• Message type: E = Error

• Message class: CRM_IC_APPL_UI_BDC - Business Data Context messages

• Message number: 124

• Message text: Class &1 does not match transaction definition; class cannot be used

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CRM_IC_APPL_UI_BDC124 - Class &1 does not match transaction definition; class cannot be used ?

  The SAP error message "CRM_IC_APPL_UI_BDC124 Class &1 does not match transaction definition; class cannot be used" typically occurs in the context of the SAP CRM (Customer Relationship Management) system, particularly when dealing with the Interaction Center (IC) applications. This error indicates that there is a mismatch between the class defined in the transaction and the class that is being used in the application.
  Cause:
  
  Class Mismatch: The class specified in the configuration does not match the class defined in the transaction. This can happen if the class has been changed or if the configuration is pointing to an incorrect class.
  Configuration Issues: There may be issues in the configuration settings of the Interaction Center, such as incorrect settings in the customizing or transaction definitions.
  Transport Issues: If changes were transported from one system to another (e.g., from development to production), the transport might not have included all necessary objects or configurations.
  
  Solution:
  
  Check Class Definition: Verify the class definition in the transaction. Ensure that the class specified in the error message matches the expected class in the transaction definition.
  Review Customizing Settings: Go to the customizing settings for the Interaction Center and check the configuration for the relevant transaction. Make sure that all settings are correct and that the class is properly defined.
  Transaction Code Verification: Ensure that the transaction code being used is correct and that it corresponds to the expected class.
  Transport Check: If the issue arose after a transport, check the transport logs to ensure that all necessary objects were included and that there were no errors during the transport process.
  Reconfigure if Necessary: If you find discrepancies, you may need to reconfigure the settings or redefine the class in the transaction.
  Consult Documentation: Refer to SAP documentation or notes related to the specific version of SAP CRM you are using for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates their knowledge base with solutions for common problems.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO (for customizing) and SE80 (for object navigation) to help in troubleshooting.
  Support: If the issue persists after checking the above points, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  By following these steps, you should be able to identify and resolve the cause of the error message.