How To Fix /AIF/RUNTIME028 - Processing of message &1 stopped; could not lock the message

/AIF/RUNTIME028 - Overview

• Message type: E = Error

• Message class: /AIF/RUNTIME -

• Message number: 028

• Message text: Processing of message &1 stopped; could not lock the message

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 /AIF/RUNTIME028 - Processing of message &1 stopped; could not lock the message ?

  The SAP error message /AIF/RUNTIME028 Processing of message &1 stopped; could not lock the message typically occurs in the context of the Application Interface Framework (AIF) when there is an issue with locking a message for processing. This can happen for several reasons, and understanding the cause is essential for finding a solution.
  Causes:
  
  Concurrent Processing: The message may already be locked by another process or user. This can happen if multiple instances of the same message are being processed simultaneously.
  Database Locking Issues: There may be database-level locks that prevent the message from being locked for processing.
  
  Configuration Issues: Incorrect configuration in the AIF settings or message processing settings can lead to locking issues.
  Long-Running Transactions: If a transaction takes too long to complete, it may hold locks longer than expected, causing subsequent attempts to lock the message to fail.
  System Performance Issues: High load on the system can lead to delays in processing and