How To Fix /EACC/DMEXTR001 - DataSource &1 is currently locked by user &2

/EACC/DMEXTR001 - Overview

• Message type: E = Error

• Message class: /EACC/DMEXTR -

• Message number: 001

• Message text: DataSource &1 is currently locked by user &2

Self-Explanatory Message

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/EACC/DMEXTR001 - Details

• The SAP error message /EACC/DMEXTR001 DataSource &1 is currently locked by user &2 indicates that a specific DataSource (identified by &1) is currently locked by another user (identified by &2). This typically occurs in the context of data extraction processes, where multiple users or processes may attempt to access or modify the same DataSource simultaneously.
  
  Cause:
  
  Concurrent Access: Another user or process is currently using the DataSource, which prevents your session from accessing it.
  Long-running Processes: A data extraction or transformation process may be taking longer than expected, causing the lock to persist.
  Unfinished Transactions: If a previous transaction was not completed properly, it may leave the DataSource in a locked state.
  
  
  Solution:
  
  Wait and Retry: If the lock is temporary, waiting for a few moments and then retrying the operation may resolve the issue.
  Identify the Locking User: Use transaction SM12 to check for locks. You can search for the user (&2) to see what locks