How To Fix CMT2107 - Internal CM error: Unknown object type in where-used list

SAP Error Message - Details

• Message type: E = Error

• Message class: CMT2 - Add-On Version: Message Class in CM Environment

• Message number: 107

• Message text: Internal CM error: Unknown object type in where-used list

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CMT2107 - Internal CM error: Unknown object type in where-used list ?

  The SAP error message CMT2107, which states "Internal CM error: Unknown object type in where-used list," typically occurs in the context of Change Management (CM) or when working with the where-used list functionality in SAP. This error indicates that the system has encountered an object type that it does not recognize or cannot process correctly.
  Causes:
  
  Corrupted Data: There may be corrupted entries in the database that the system is trying to access.
  Missing Object Types: The object type that is being referenced may not be defined in the system or may have been deleted.
  Configuration Issues: There may be issues with the configuration of the Change Management settings or the object types in the system.
  System Bugs: There could be bugs in the SAP version you are using that lead to this error.
  
  Solutions:
  
  Check Object Types: Verify that the object types you are trying to access are correctly defined in the system. You can do this by checking the relevant configuration settings.
  Database Consistency Check: Run a consistency check on the database to identify and fix any corrupted entries. This can often be done using transaction codes like SE14 (Database Utility) or SE11 (Data Dictionary).
  Update SAP System: If you suspect a bug, check for any available patches or updates for your SAP system. Applying the latest support packages can resolve known issues.
  Review Change Management Configuration: Ensure that the Change Management configuration is set up correctly. This includes checking the settings for object types and their relationships.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for assistance. They may have additional insights or specific notes related to this error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE80 (Object Navigator), SE11 (Data Dictionary), and SE14 (Database Utility) for troubleshooting.
  SAP Notes: Search the SAP Support Portal for any notes related to error CMT2107. There may be specific fixes or workarounds documented.
  Documentation: Review the SAP documentation for Change Management and where-used list functionalities to ensure you are following best practices.
  
  By following these steps, you should be able to diagnose and resolve the CMT2107 error in your SAP system.