How To Fix KT158 - System error: Data could not be blocked

KT158 - Overview

• Message type: E = Error

• Message class: KT - RK Message Table Maintenance

• Message number: 158

• Message text: System error: Data could not be blocked

What causes this issue?

The SAP System could not lock the data. You cannot access the object
you want to process.

System Response

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?

Inform 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 KT158 - System error: Data could not be blocked ?

  The SAP error message KT158, which states "System error: Data could not be blocked," typically occurs in the context of data locking mechanisms within the SAP system. This error can arise in various scenarios, such as during transaction processing, data updates, or when trying to access certain records that are being locked by other processes.
  Causes:
  
  
  Database Lock Conflicts: The most common cause is that the data you are trying to access or modify is currently locked by another user or process. This can happen if another transaction is in progress that has not yet been completed or released the lock.
  
  
  System Performance Issues: If the SAP system is experiencing performance issues, it may not be able to handle locking requests properly, leading to this error.
  
  
  
  Configuration Issues: Incorrect configuration settings in the SAP system can also lead to locking issues.
  
  
  Transaction Errors: If there are errors in the transaction logic or if the transaction