How To Fix KF151 - Batch input session has already been opened

SAP Error Message - Details

• Message type: E = Error

• Message class: KF -

• Message number: 151

• Message text: Batch input session has already been opened

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message KF151 - Batch input session has already been opened ?

  The SAP error message KF151 indicates that a batch input session has already been opened for the same data or transaction. This typically occurs when a batch input session is attempted to be created while another session for the same data is still active or has not been processed completely.
  Causes:
  
  Duplicate Session Creation: The most common cause is that a batch input session for the same transaction is already in process or has not been closed properly.
  Session Locking: The session may be locked due to a previous error or an incomplete processing of the batch input.
  User Error: The user may have inadvertently tried to create a new session without realizing that one already exists.
  
  Solutions:
  
  
  Check Existing Sessions:
  
  Go to transaction SM35 (Batch Input Monitoring) to check for any existing batch input sessions.
  Look for sessions that are in the status of "Processing" or "Error" and review their details.
  
  
  
  Process or Delete Existing Sessions:
  
  If you find