How To Fix K9158 - System error during locking

K9158 - Overview

• Message type: E = Error

• Message class: K9 - CO Planning Processor

• Message number: 158

• Message text: System error during locking

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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K9158 - Details

• The SAP error message K9158, which indicates a "System error during locking," typically occurs when there is an issue with the locking mechanism in the SAP system. This can happen for various reasons, including database inconsistencies, issues with the application server, or problems with the lock table.
  Causes:
  
  Database Issues: Problems with the database, such as corruption or connectivity issues, can lead to locking errors.
  Lock Table Overflow: If the lock table is full, new locks cannot be created, leading to errors.
  Application Server Problems: Issues with the application server, such as memory shortages or configuration problems, can affect locking.
  Transaction Rollback: If a transaction is rolled back unexpectedly, it may leave locks in an inconsistent state.
  Network Issues: Network problems can disrupt communication between the application server and the database.
  
  Solutions:
  
  Check Lock Entries: Use transaction code SM12 to check for existing lock entries. You can delete any unnecessary locks that may be causing the issue.
  Monitor Lock