How To Fix CM_SUB_MLI055 - Inheritance relationship &1 cannot be edited synchronously

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_SUB_MLI - Messages for Multilevel Inheritance

• Message number: 055

• Message text: Inheritance relationship &1 cannot be edited synchronously

What causes this issue?

The system could not work through the inheritance relationship
synchronously in the current process because the necessary locks could
not be set for one of the specifications, which are dependent on the
relationship.

System Response

An inheritance background job is scheduled in order to update the
inheritance relationship.

Procedure for System Administrators

It is possible that subsequent actions that depend on inheritance
relationship processing are not carried out correctly and should
therefore be repeated after executing the inheritance background job.
For this purpose, you can search for signs of additional problems in the
error log entries.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM_SUB_MLI055 - Inheritance relationship &1 cannot be edited synchronously ?

  The SAP error message CM_SUB_MLI055, which states "Inheritance relationship &1 cannot be edited synchronously," typically occurs in the context of managing inheritance relationships in SAP Master Data Governance (MDG) or similar modules where data inheritance is utilized.
  Cause:
  This error usually arises when there is an attempt to edit an inheritance relationship that is currently being processed or locked by another transaction or user. Inheritance relationships are often used to manage data consistency across different entities, and simultaneous edits can lead to conflicts or data integrity issues.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check for Locks: Verify if the inheritance relationship is locked by another user or transaction. You can use transaction code SM12 to check for locks in the system. If you find a lock, you may need to wait for the other user to complete their transaction or, if appropriate, you can unlock it (with caution).
  
  
  Retry the Operation: Sometimes, simply retrying the operation after a short period can resolve the issue, especially if it was a temporary lock.
  
  
  Review Transaction Logs: Check the transaction logs or system logs for any additional information that might indicate why the inheritance relationship cannot be edited.
  
  
  Consult Documentation: Review the relevant SAP documentation or notes related to inheritance relationships in your specific version of SAP. There may be specific guidelines or known issues documented.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. Provide them with the error message and any relevant details about the context in which it occurred.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM12 (to check locks), SM21 (to view system logs), and SLG1 (to view application logs).
  SAP Notes: Search for SAP Notes related to CM_SUB_MLI055 in the SAP Support Portal, as there may be specific patches or updates that address this issue.
  User Permissions: Ensure that the user attempting to edit the inheritance relationship has the necessary permissions to do so.
  
  By following these steps, you should be able to diagnose and resolve the CM_SUB_MLI055 error effectively.