/ACCGO/MCK_MAINT535 - Internal error from enqueue server while locking the contract &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /ACCGO/MCK_MAINT -

• Message number: 535

• Message text: Internal error from enqueue server while locking the contract &1

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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AnswerBot

• What is the cause and solution for SAP error message /ACCGO/MCK_MAINT535 - Internal error from enqueue server while locking the contract &1 ?

  The SAP error message /ACCGO/MCK_MAINT535 Internal error from enqueue server while locking the contract &1 typically indicates an issue with the enqueue server, which is responsible for managing locks in the SAP system. This error can occur when there is a problem with the locking mechanism while trying to access or modify a contract.
  Causes:
  
  Enqueue Server Issues: The enqueue server may be down or not functioning properly, leading to an inability to acquire locks.
  Lock Table Overflow: The lock table may be full, preventing new locks from being created.
  Network Issues: Connectivity problems between the application server and the enqueue server can lead to this error.
  Database Issues: Problems with the database can also affect the locking mechanism.
  Configuration Issues: Incorrect configuration settings in the SAP system can lead to locking issues.
  
  Solutions:
  
  Check Enqueue Server Status: Ensure that the enqueue server is running. You can check this in the SAP system using transaction code SM51 to view the status of application servers.
  Restart Enqueue Server: If the enqueue server is down, restarting it may resolve the issue. This can be done through the SAP system or by contacting your system administrator.
  Monitor Lock Table: Use transaction code SM12 to monitor the lock entries. If the lock table is full, you may need to delete unnecessary locks or increase the size of the lock table.
  Check for Network Issues: Ensure that there are no network connectivity issues between the application server and the enqueue server.
  Review System Logs: Check the system logs (transaction code SM21) for any related error messages that could provide more context about the issue.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error. SAP frequently updates its knowledge base with solutions for known issues.
  Contact SAP Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: 
  
  SM51: To check the status of application servers.
  SM12: To view and manage lock entries.
  SM21: To check system logs for errors.
  
  
  SAP Notes: Search for specific SAP Notes related to enqueue server issues or the specific error message for additional guidance.
  System Configuration: Review the configuration settings related to the enqueue server and locking mechanisms in your SAP system.
  
  By following these steps, you should be able to diagnose and resolve the issue related to the error message /ACCGO/MCK_MAINT535.