How To Fix ME149 - & requisition(s) already changed by other users

ME149 - Overview

• Message type: E = Error

• Message class: ME - Purchasing: General Messages

• Message number: 149

• Message text: & requisition(s) already changed by other users

What causes this issue?

From within list processing, you wish to change a purchase requisition
that has in the meantime been changed by another user.

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

System Response

How to fix this error?

Check the requisition before making your changes.

Error message extract from SAP system. Copyright SAP SE.

ME149 - Details

• The SAP error message ME149 indicates that a requisition has already been changed by another user. This typically occurs in the context of purchase requisitions when multiple users are trying to edit the same requisition simultaneously. Here’s a breakdown of the cause, potential solutions, and related information:
  
  Cause:
  
  Concurrent Access: The primary cause of this error is that another user has modified the purchase requisition you are trying to edit. SAP locks the requisition for editing to prevent data inconsistencies.
  Session Timeout: If a user has been inactive for a while, their session may time out, and any changes they made may not be saved properly, leading to conflicts.
  Background Jobs: Sometimes, background jobs or batch processes may also update requisitions, causing this error when another user tries to access them.
  
  Solutions:
  
  Refresh the Data: If you encounter this error, try refreshing the screen or reloading the requisition. This will allow you to see the most