How To Fix MQ158 - System lock could not be set

MQ158 - Overview

• Message type: E = Error

• Message class: MQ - Messages for Euro Changeover Package

• Message number: 158

• Message text: System lock could not be set

What causes this issue?

To lock the system, the active package must have completed the ANALYZE
phase successfully.
The following causes of error are possible:
There is no package flagged as <LS>active</>
The active package is in the wrong phase
The active package is in the ANALYZE phase which was not completed
properly.

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MQ158 - System lock could not be set ?

  The SAP error message MQ158, which states "System lock could not be set," typically indicates that there is an issue with acquiring a lock on a particular object or resource in the SAP system. This can occur in various scenarios, such as during data processing, updates, or when multiple users are trying to access the same resource simultaneously.
  Causes:
  
  Concurrency Issues: Multiple users or processes are trying to access or modify the same data simultaneously, leading to a conflict in acquiring the necessary locks.
  Long-Running Transactions: If a transaction takes too long to complete, it may hold onto locks longer than expected, preventing other transactions from acquiring the necessary locks.
  Deadlocks: Situations where two or more processes are waiting for each other to release locks can lead to a deadlock, causing the system to be unable to set a lock.
  System Configuration: Incorrect configuration of lock parameters or insufficient resources allocated to handle locking mechanisms