How To Fix TR154 - Key description is longer than the table key

SAP Error Message - Details

• Message type: E = Error

• Message class: TR - Change and Transport System

• Message number: 154

• Message text: Key description is longer than the table key

What causes this issue?

The key description "&V2&" was created for table "&V1&". This describes
a key of length &V3&.
However, the table has a key length of &V4&.

System Response

Your key description is rejected.

How to fix this error?

Check the key description and adjust it or the object name length of
the logical object, if necessary.
You might also need to change the table definition.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TR154 - Key description is longer than the table key ?

  The SAP error message TR154 ("Key description is longer than the table key") typically occurs when there is a mismatch between the length of the key description being used and the defined length of the key in the database table. This can happen in various scenarios, such as when you are trying to create or modify a transport request, or when working with certain data entries in SAP.
  Cause:
  
  Key Length Mismatch: The key description you are trying to use exceeds the maximum length defined for that particular key in the database table.
  Data Entry Error: There may be an error in the data entry where the key description has been incorrectly inputted or copied from another source.
  Custom Development: If there are custom programs or enhancements, they may not adhere to the defined key length constraints.
  
  Solution:
  
  Check Key Length: Verify the maximum length of the key in the relevant database table. You can do this by checking the table definition in the Data Dictionary (transaction SE11).
  Adjust Key Description: Modify the key description to ensure it does not exceed the defined length. This may involve truncating the description or using a different, shorter description.
  Review Custom Code: If the error is arising from custom development, review the code to ensure it respects the key length constraints. Make necessary adjustments to the code.
  Transport Request: If this error occurs during a transport request, ensure that the objects being transported do not have key descriptions that exceed the defined limits.
  Testing: After making the necessary changes, test the process again to ensure that the error no longer occurs.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), or SE37 (Function Module) to investigate the issue further.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Documentation: Review SAP documentation for guidelines on key lengths and data entry standards to prevent similar issues in the future.
  
  If the problem persists after following these steps, consider reaching out to your SAP Basis or development team for further assistance.