How To Fix USMD1B042 - Key can not be assigned to the change request

USMD1B042 - Overview

• Message type: E = Error

• Message class: USMD1B - Meldungen: MDF Anschluss

• Message number: 042

• Message text: Key can not be assigned to the change request

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message USMD1B042 - Key can not be assigned to the change request ?

  The SAP error message USMD1B042, which states "Key cannot be assigned to the change request," typically occurs in the context of SAP Master Data Governance (MDG) when there is an issue with the assignment of a key (such as a business partner, material, or other master data) to a change request.
  Causes:
  
  Key Already Assigned: The key you are trying to assign may already be linked to another change request or is in use.
  Change Request Status: The change request may be in a status that does not allow for new keys to be added (e.g., it may be completed or rejected).
  Authorization Issues: The user may not have the necessary authorizations to assign keys to the change request.
  Data Model Configuration: There may be issues with the data model configuration in MDG that prevent the assignment of the key.
  Technical Issues: There could be underlying technical issues, such as database locks or inconsistencies in the