How To Fix ARUN_MAIN100 - Lock error; sales order &1 locked by user &2

ARUN_MAIN100 - Overview

• Message type: E = Error

• Message class: ARUN_MAIN -

• Message number: 100

• Message text: Lock error; sales order &1 locked by user &2

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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ARUN_MAIN100 - Details

• The SAP error message ARUN_MAIN100 indicates that a sales order (identified by the number &1) is currently locked by another user (identified by user &2). This typically occurs when multiple users attempt to access or modify the same sales order simultaneously, leading to a lock situation to prevent data inconsistencies.
  
  Cause:
  
  Concurrent Access: Another user is currently editing or viewing the sales order.
  Unreleased Locks: A previous session may not have released the lock due to an error or improper termination.
  Long-running Transactions: A transaction that takes a long time to complete can hold the lock for an extended period.
  Background Jobs: Sometimes, background jobs may also lock records if they are processing data related to the sales order.
  
  
  Solution:
  
  Wait and Retry: If the lock is temporary, waiting for a few moments and then retrying the operation may resolve the issue.
  Identify the Locking User: Use transaction SM12 (Display and Delete Locks) to identify the user who