How To Fix B1305 - IDoc & already processed, processing not possible

B1305 - Overview

• Message type: E = Error

• Message class: B1 - ALE group messages

• Message number: 305

• Message text: IDoc & already processed, processing not possible

What causes this issue?

The IDoc &V1& is currently locked by another user.
Processing is not possible.

How to fix this error?

To find out the user who locked the IDoc, display the corresponding
lock entries.

Error message extract from SAP system. Copyright SAP SE.

B1305 - Details

• The SAP error message B1305 indicates that an IDoc (Intermediate Document) has already been processed, and therefore, further processing of that IDoc is not possible. This error typically arises in scenarios where an IDoc is being reprocessed or when there is an attempt to process an IDoc that has already been successfully handled.
  Causes:
  
  Duplicate Processing Attempt: The IDoc has already been processed successfully, and a subsequent attempt to process it again is being made.
  IDoc Status: The IDoc may have a status that indicates it has already been processed (e.g., status 53 - "Application Document Not Posted").
  Error Handling: If an IDoc was processed but encountered errors, it may have been marked as processed, preventing further attempts to process it.
  
  Configuration Issues: There may be issues in the configuration of the IDoc processing logic that lead to incorrect status updates.
  
  Solutions:
  
  Check IDoc Status: Use transaction code WE02 or WE05 to check the status of the