How To Fix MSG_CL_ER138 - Unknown described entitiy: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: MSG_CL_ER - Message Class for Enterprise Registry

• Message number: 138

• Message text: Unknown described entitiy: &1

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.

What else can you do?

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Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MSG_CL_ER138 - Unknown described entitiy: &1 ?

  The SAP error message MSG_CL_ER138 Unknown described entity: &1 typically indicates that the system is trying to reference an entity (such as a class, characteristic, or object) that is not recognized or does not exist in the system. The &1 placeholder will be replaced with the name of the entity that is causing the issue.
  Causes:
  
  Non-existent Entity: The entity being referenced does not exist in the system. This could be due to a typo in the name or the entity not being created yet.
  Authorization Issues: The user may not have the necessary authorizations to access the entity, leading to it being "unknown" to the user.
  Configuration Issues: There may be a configuration issue where the entity is not properly defined or linked within the system.
  Transport Issues: If the entity was recently transported from another system, it may not have been transported correctly or completely.
  
  Solutions:
  
  Check Entity Existence: Verify that the entity referenced in the error message actually exists in the system. You can do this by checking the relevant transaction codes or tables.
  Correct Typos: Ensure that there are no typographical errors in the name of the entity being referenced.
  Review Authorizations: Check the user’s authorizations to ensure they have the necessary permissions to access the entity.
  Configuration Review: Review the configuration settings related to the entity to ensure it is set up correctly.
  Transport Check: If the entity was recently transported, check the transport logs to ensure that it was transported successfully and completely.
  Debugging: If you have access to debugging tools, you can trace the program or transaction that is generating the error to identify the exact point of failure.
  
  Related Information:
  
  Transaction Codes: Depending on the type of entity, you may use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), or SE37 (Function Module) to investigate further.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  Community Forums: SAP Community and other forums can be useful for finding similar issues faced by other users and their solutions.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or development team for further assistance.