Message type: E = Error
Message class: CM_SUB - Substance (general)
Message number: 026
Message text: Source being edited by user &; unlocked data is copied
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CM_SUB026
- Source being edited by user &; unlocked data is copied ?The SAP error message CM_SUB026 indicates that a source (such as a material, document, or other data object) is currently being edited by another user. This means that the system has detected that the data is locked for editing, and as a result, the operation you are trying to perform cannot be completed because the data is not available for modification.
Cause: Concurrent Editing: Another user is currently editing the same source data, which locks the data for other users. Session Timeout: A previous session may not have been properly closed, leaving the data in a locked state. System Configuration: Certain configurations in the SAP system may lead to data being locked for longer periods than necessary.
Solution: Wait and Retry: If another user is editing the data, the simplest solution is to wait until they finish and then try your operation again. Check User Sessions: Use transaction codes like SM12 (to view and manage lock entries)
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