How To Fix /AIF/VMAP_MESSAGES001 - End of undo queue has been reached

SAP Error Message - Details

• Message type: E = Error

• Message class: /AIF/VMAP_MESSAGES -

• Message number: 001

• Message text: End of undo queue has been reached

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /AIF/VMAP_MESSAGES001 - End of undo queue has been reached ?

  The SAP error message /AIF/VMAP_MESSAGES001 End of undo queue has been reached typically occurs in the context of the Application Interface Framework (AIF) when there is an issue with the processing of messages or transactions. This error indicates that the system has reached the end of the undo queue, which means that it cannot roll back any further actions or transactions.
  Causes:
  
  Message Processing Issues: The error may arise if there are issues with the processing of messages in the AIF, such as timeouts or failures in processing.
  Configuration Problems: Incorrect configuration of the AIF or the underlying message processing settings can lead to this error.
  Database Locking: If there are locks on the database that prevent the AIF from accessing the necessary data, it may lead to this error.
  Resource Limitations: Insufficient system resources (like memory or processing power) can cause the AIF to fail in processing messages correctly.
  
  Solutions:
  
  Check Message Status: Review the status of the messages in the AIF. You can do this by navigating to the AIF monitoring tools and checking for any failed or pending messages.
  Increase Undo Queue Size: If the undo queue size is too small, consider increasing it in the AIF configuration settings.
  Review Configuration: Ensure that the AIF is correctly configured. Check the settings related to message processing, error handling, and the undo queue.
  Database Locks: Investigate any database locks that may be affecting the AIF. You can use transaction codes like SM12 to check for locks and SM21 for system logs.
  System Resources: Monitor system resources to ensure that there are no bottlenecks. If necessary, allocate more resources to the SAP system.
  Error Logs: Check the AIF error logs for more detailed information about the error. This can provide insights into what specifically caused the issue.
  Restart AIF Services: Sometimes, restarting the AIF services or the entire SAP system can resolve transient issues.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide patches and updates.
  Documentation: Review the official SAP documentation for AIF to understand the configuration and operational guidelines better.
  Community Forums: Engage with SAP community forums or support channels for additional insights and shared experiences from other users who may have encountered the same issue.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.