How To Fix /SAPAPO/RSP660 - Error Setting the Check Lock; &1 &2 &3

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/RSP -

• Message number: 660

• Message text: Error Setting the Check Lock; &1 &2 &3

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 /SAPAPO/RSP660 - Error Setting the Check Lock; &1 &2 &3 ?

  The SAP error message /SAPAPO/RSP660 Error Setting the Check Lock; &1 &2 &3 typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with setting a lock for a check operation. This can happen during various processes, such as planning runs, data uploads, or when accessing certain APO functions.
  Causes:
  
  Lock Conflicts: The error often arises due to conflicts with existing locks. If another user or process is holding a lock on the same object, the system cannot set a new lock.
  Database Issues: There may be underlying database issues that prevent the lock from being set.
  Authorization Issues: The user may not have the necessary authorizations to set locks on the required objects.
  System Performance: High system load or performance issues can lead to timeouts or failures in setting locks.
  
  Solutions:
  
  Check Existing Locks: Use transaction code SM12 to check for existing locks. If you find locks that are no longer needed, you can delete them (if you have the necessary authorizations).
  Retry the Operation: Sometimes, simply retrying the operation after a short wait can resolve transient issues.
  Review User Authorizations: Ensure that the user has the necessary authorizations to perform the operation that is causing the error.
  System Performance Monitoring: Monitor system performance and check for any bottlenecks that might be causing delays in lock management.
  Database Consistency Check: If the issue persists, consider running a database consistency check or consulting with your database administrator to ensure there are no underlying issues.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide patches or updates.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (for lock entries), SM21 (for system logs), and ST22 (for dumps) to diagnose issues further.
  SAP Support: If the problem persists after trying the above solutions, consider reaching out to SAP Support for assistance, providing them with the error details and any relevant logs.
  Documentation: Review the SAP documentation for APO and locking mechanisms to understand how locks are managed within the system.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution.