How To Fix SHTTP063 - Error in enqueue processing

SAP Error Message - Details

• Message type: E = Error

• Message class: SHTTP - Messages for Development Class SHTTP

• Message number: 063

• Message text: Error in enqueue processing

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message SHTTP063 - Error in enqueue processing ?

  The SAP error message SHTTP063, which indicates "Error in enqueue processing," typically arises in the context of SAP's enqueue server, which is responsible for managing locks on objects in the SAP system. This error can occur due to various reasons, including issues with the enqueue server, network problems, or inconsistencies in the database.
  Causes of SHTTP063 Error
  
  Enqueue Server Issues: The enqueue server may not be running or may have encountered an error.
  Network Problems: There could be network connectivity issues between the application server and the enqueue server.
  Database Lock Issues: There may be inconsistencies or problems with database locks.
  Configuration Issues: Incorrect configuration settings in the SAP system can lead to enqueue processing errors.
  Resource Limitations: Insufficient system resources (CPU, memory) can cause the enqueue server to fail.
  
  Solutions to SHTTP063 Error
  
  
  Check Enqueue Server Status:
  
  Ensure that the enqueue server is running. You can check this in the SAP system by using transaction code SM51 to view the list of application servers and their statuses.
  
  
  
  Restart Enqueue Server:
  
  If the enqueue server is down or not responding, you may need to restart it. This can often resolve temporary issues.
  
  
  
  Check Network Connectivity:
  
  Verify that there are no network issues between the application server and the enqueue server. You can use tools like ping or traceroute to check connectivity.
  
  
  
  Review System Logs:
  
  Check the system logs (transaction SM21) for any related error messages that might provide more context about the issue.
  
  
  
  Check for Database Lock Issues:
  
  Use transaction SM12 to check for any locks that might be causing issues. If there are stale locks, you may need to delete them.
  
  
  
  Configuration Review:
  
  Review the configuration settings related to the enqueue server in transaction RZ10 or RZ11 to ensure they are set correctly.
  
  
  
  System Resources:
  
  Monitor system resources to ensure that the server has enough CPU and memory available. If resources are low, consider optimizing or upgrading the hardware.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates available that can resolve the issue.
  
  
  
  Related Information
  
  
  Transaction Codes:
  
  SM51: To check the status of application servers.
  SM12: To view and manage database locks.
  SM21: To view system logs.
  RZ10/RZ11: To check and modify profile parameters.
  
  
  
  SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance. They can provide more detailed troubleshooting based on your specific system configuration and logs.
  
  
  Documentation: Refer to the official SAP documentation for more detailed information on enqueue processing and error handling.
  
  
  By following these steps, you should be able to diagnose and resolve the SHTTP063 error in your SAP system.