How To Fix WW065 - Internal error locking MG material &

SAP Error Message - Details

• Message type: E = Error

• Message class: WW - Material group master maintenance

• Message number: 065

• Message text: Internal error locking MG material &

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

INCLUDE ISR_WIEDERHOLEN

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WW065 - Internal error locking MG material & ?

  The SAP error message WW065, which indicates an "Internal error locking MG material," typically arises when there is an issue with the locking mechanism in the SAP system. This can occur during various operations, such as when trying to access or modify a material that is currently locked by another user or process.
  Causes:
  
  Concurrent Access: Another user or process is currently accessing or modifying the material, leading to a lock.
  System Errors: Internal inconsistencies or errors in the SAP system can cause locking issues.
  Database Locks: Locks at the database level may prevent access to the material.
  Transport Issues: If there are ongoing transports that affect the material, it may be locked.
  Long-running Transactions: A transaction that takes too long to complete may hold locks longer than expected.
  
  Solutions:
  
  
  Check Lock Entries:
  
  Use transaction code SM12 to check for existing lock entries. You can identify the user or process that is holding the lock and take appropriate action.
  If necessary, you can delete the lock entry (if you have the appropriate permissions) to release the lock.
  
  
  
  Wait and Retry:
  
  If the lock is held by another user, you may need to wait until they complete their transaction and then retry your operation.
  
  
  
  Review System Logs:
  
  Check the system logs using transaction code SM21 for any related errors or warnings that might provide more context about the issue.
  
  
  
  Check for Long-running Processes:
  
  Use transaction code SM66 to monitor active processes in the system. Identify any long-running processes that may be causing locks and address them.
  
  
  
  Restart the Transaction:
  
  Sometimes, simply restarting the transaction or logging out and back into the system can resolve temporary issues.
  
  
  
  Contact Basis Team:
  
  If the issue persists, it may require intervention from the SAP Basis team to investigate deeper system-level issues or to check for database locks.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SM21: System log.
  SM66: Global work process overview.
  
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches and updates.
  
  
  Documentation: Review SAP documentation for material management and locking mechanisms to understand how locks are managed in the system.
  
  
  If the problem continues after trying these solutions, it may be necessary to escalate the issue to SAP support for further assistance.