How To Fix CMT2151 - Internal CM error: Invalid key

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 151

• Message text: Internal CM error: Invalid key

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 CMT2151 - Internal CM error: Invalid key ?

  The SAP error message CMT2151, which states "Internal CM error: Invalid key," typically occurs in the context of the Change Management (CM) module or when dealing with configuration management in SAP. This error indicates that there is an issue with the key being used in a particular operation, which could be due to various reasons.
  Causes:
  
  Invalid Configuration Key: The key being referenced may not exist or may have been deleted or modified.
  Data Inconsistency: There may be inconsistencies in the database or configuration data that lead to the system being unable to find the required key.
  Authorization Issues: The user may not have the necessary authorizations to access the configuration or data associated with the key.
  System Bugs: There could be a bug in the SAP system or a specific transaction that is causing the error.
  Transport Issues: If the error occurs after a transport, it may be due to missing objects or dependencies that were not transported correctly.
  
  Solutions:
  
  Check the Key: Verify that the key you are using is correct and exists in the system. You can do this by checking the relevant configuration or master data.
  Data Consistency Check: Run consistency checks in the system to identify and resolve any inconsistencies. This may involve using transaction codes like SE11 (Data Dictionary) or SE14 (Database Utility).
  Authorization Check: Ensure that the user has the necessary authorizations to perform the operation. You can check this in transaction SU53 (Authorization Check).
  Review Transport Logs: If the error occurred after a transport, review the transport logs to ensure that all necessary objects were transported correctly.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve the issue.
  Debugging: If you have access to debugging tools, you can try to debug the transaction to identify where the error is occurring and what might be causing it.
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP Support for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11, SE14, SU53, and others that may help in diagnosing the issue.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  Documentation: Review SAP documentation related to Change Management and configuration management for additional context and troubleshooting steps.
  
  By following these steps, you should be able to identify the cause of the CMT2151 error and implement a suitable solution.