How To Fix KI504 - System error during blocking of control data

KI504 - Overview

• Message type: E = Error

• Message class: KI -

• Message number: 504

• Message text: System error during blocking of control data

What causes this issue?

It was not possible to set the lock to protect the control data being
worked on. The probable reason for this is that the SAP locking table
is full and no more entries can be added.

System Response

How to fix this error?

Inform your system administrator immediately.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KI504 - System error during blocking of control data ?

  The SAP error message KI504, which states "System error during blocking of control data," typically occurs in the context of controlling (CO) module transactions. This error can arise due to various reasons, including issues with data consistency, database locks, or problems with the configuration of controlling objects.
  Causes:
  
  Database Lock Issues: The system may be trying to access data that is currently locked by another transaction or user.
  Data Consistency Problems: There may be inconsistencies in the control data that prevent the system from processing the request.
  Configuration Errors: Incorrect settings in the controlling area or related master data can lead to this error.
  System Bugs: Occasionally, this error can be caused by bugs in the SAP system or specific patches that have not been applied.
  
  Solutions:
  
  Check for Locks: Use transaction code SM12 to check for any locks on the relevant tables. If you find locks that are not needed, you can release them.
  Consistency Check: Run