How To Fix KE036 - Internal system error when locking table &

SAP Error Message - Details

• Message type: E = Error

• Message class: KE -

• Message number: 036

• Message text: Internal system error when locking table &

What causes this issue?

Table &V1& could not be locked due to a system error.

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

How to fix this error?

Contact your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message KE036 - Internal system error when locking table & ?

  The SAP error message KE036, which indicates an "Internal system error when locking table &," typically occurs in the context of the Controlling (CO) module when the system encounters issues while trying to lock a table for processing. This can happen during various operations, such as posting transactions or executing reports.
  Causes of KE036 Error
  
  
  Database Lock Issues: The error may arise due to problems with database locks, where the system is unable to acquire a lock on a required table because it is already locked by another process.
  
  
  System Resource Limitations: Insufficient system resources (like memory or processing power) can lead to internal errors when the system attempts to perform operations that require locking.
  
  
  Corrupted Data: Corruption in the database or inconsistencies in the data can lead to unexpected behavior, including locking issues.
  
  
  Configuration Issues: Incorrect configuration settings in the SAP system can also lead to locking problems.
  
  
  Concurrent Processing: Multiple users or processes trying to access the same data simultaneously can lead to contention and locking errors.
  
  
  Solutions to KE036 Error
  
  
  Check for Locks: Use transaction code SM12 to check for existing locks on the relevant tables. If you find any unnecessary locks, you can delete them (if you have the necessary authorizations).
  
  
  Review System Logs: Check the system logs (transaction SM21) for any additional error messages or warnings that might provide more context about the issue.
  
  
  Database Consistency Check: Run a database consistency check to identify and resolve any data corruption issues. This can be done using transaction DB02 or similar tools.
  
  
  System Resources: Monitor system resources (CPU, memory, etc.) to ensure that the system is not under heavy load. If necessary, consider optimizing performance or increasing resources.
  
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that address the KE036 error. There may be specific patches or updates that resolve known issues.
  
  
  Restart the Application Server: In some cases, restarting the application server can help clear temporary issues that may be causing the error.
  
  
  Contact SAP Support: If the issue persists after trying the above solutions, it may be necessary to contact SAP Support for further assistance. Provide them with detailed information about the error, including any relevant logs and the steps that led to the error.
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with transaction codes like SM12 (for lock entries), SM21 (for system logs), and DB02 (for database performance and consistency checks).
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review SAP documentation related to the Controlling module and database management for best practices and troubleshooting steps.
  
  By following these steps, you should be able to diagnose and potentially resolve the KE036 error in your SAP system.