How To Fix CMT2106 - Internal CM error: Key not found

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 106

• Message text: Internal CM error: Key not found

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 CMT2106 - Internal CM error: Key not found ?

  The SAP error message CMT2106, which states "Internal CM error: Key not found," typically occurs in the context of the Configuration Management (CM) module or related functionalities within SAP. This error indicates that the system is unable to find a specific key or entry that it expects to be present in the database or configuration settings.
  Causes:
  
  Missing Configuration Data: The key that the system is trying to access may not exist in the database due to incomplete configuration or data migration issues.
  Data Corruption: There may be corruption in the database or configuration tables that prevents the system from retrieving the necessary key.
  Authorization Issues: The user may not have the necessary permissions to access the configuration data, leading to the inability to find the key.
  Incorrect Customization: Custom developments or modifications in the system may have led to inconsistencies in the configuration data.
  Transport Issues: If the configuration was transported from one system to another, there may have been issues during the transport process that resulted in missing keys.
  
  Solutions:
  
  Check Configuration Data: Verify that the necessary configuration data exists in the relevant tables. You can use transaction codes like SE11 (Data Dictionary) to check the relevant tables.
  Review Authorization: Ensure that the user has the appropriate authorizations to access the configuration data. You can check this using transaction SU53 to analyze authorization failures.
  Database Consistency Check: Run consistency checks on the database to identify and rectify any corruption issues. This may involve using transaction codes like DB02 or DBACOCKPIT.
  Recreate Missing Keys: If specific keys are missing, you may need to recreate them manually or restore them from a backup if available.
  Check Transport Logs: If the issue arose after a transport, review the transport logs to identify any errors or warnings that occurred during the transport process.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide patches or updates that resolve the issue.
  
  Related Information:
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error, including transaction codes, steps to reproduce the error, and any relevant logs.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared by other users.
  Documentation: Review SAP documentation related to Configuration Management and error handling for additional insights and troubleshooting steps.
  
  By following these steps, you should be able to identify the root cause of the CMT2106 error and implement an appropriate solution.