How To Fix CY398 - Error when locking planned order

SAP Error Message - Details

• Message type: E = Error

• Message class: CY - Capacity Requirements Planning

• Message number: 398

• Message text: Error when locking planned order

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 CY398 - Error when locking planned order ?

  The SAP error message CY398 typically occurs when there is an issue with locking a planned order in the system. This error can arise due to various reasons, such as conflicts with other processes, issues with the planned order itself, or system configuration problems. Here’s a breakdown of the cause, potential solutions, and related information for this error:
  Cause:
  
  Lock Conflicts: The planned order may be locked by another user or process, preventing the current user from accessing it.
  System Configuration: There may be configuration issues in the system that affect how planned orders are handled.
  Database Issues: Problems with the database or inconsistencies in the data can lead to locking issues.
  User Authorizations: The user may not have the necessary authorizations to lock or modify the planned order.
  
  Solutions:
  
  
  Check Lock Entries:
  
  Use transaction code SM12 to check for lock entries related to the planned order. If another user or process is holding the lock, you may need to wait or coordinate with them to release it.
  
  
  
  Review User Authorizations:
  
  Ensure that the user has the appropriate authorizations to lock and modify planned orders. This can be checked in transaction code SU53 or by consulting with your SAP security team.
  
  
  
  Check for Background Jobs:
  
  Sometimes, background jobs may be processing planned orders. Check transaction code SM37 to see if any jobs are running that might be affecting the planned order.
  
  
  
  Recreate the Planned Order:
  
  If the planned order is corrupted or has issues, consider deleting and recreating it. Ensure that all necessary data is correctly entered.
  
  
  
  System Configuration Review:
  
  Review the configuration settings related to planned orders in the system. This may involve checking settings in the Material Management (MM) or Production Planning (PP) modules.
  
  
  
  Database Consistency Check:
  
  If you suspect database issues, you may need to run consistency checks or consult with your database administrator.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SM12: Display and manage lock entries.
  SU53: Display authorization check.
  SM37: Monitor background jobs.
  
  
  
  SAP Documentation: Refer to SAP Help documentation for detailed information on planned orders and locking mechanisms.
  
  
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.