How To Fix SIG605 - System locking error

SIG605 - Overview

• Message type: E = Error

• Message class: SIG - Digital Signature

• Message number: 605

• Message text: System locking error

What causes this issue?

A system error occured when the batch record was being locked.

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?

Notify the system administrator.

Procedure for System Administrators

When a digital signature is executed, entries in the internal table
SIGNH (header data for signature process) are locked.
Check if the digital signature is still being processed by user &V1&
and if necessary delete the lock entry for table SIGNH.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message SIG605 - System locking error ?

  The SAP error message SIG605, which indicates a "System locking error," typically occurs when there is an issue with the locking mechanism in the SAP system. This can happen for various reasons, including:
  Causes of SIG605 System Locking Error:
  
  Database Lock Conflicts: Multiple users or processes may be trying to access the same data simultaneously, leading to a conflict in locks.
  Long-Running Transactions: If a transaction takes too long to complete, it may hold locks longer than necessary, causing other transactions to fail.
  Deadlocks: Two or more processes may be waiting for each other to release locks, resulting in a deadlock situation.
  System Performance Issues: High load on the system can lead to delays in lock acquisition and release.
  
  Configuration Issues: Incorrect configuration of the locking mechanism or database settings can also lead to locking errors.
  
  Solutions to SIG605 System Locking Error:
  
  
  Identify and Resolve Lock Conflicts:
  
  Use transaction codes like SM12 (Display and Delete Locks) to identify and