How To Fix IW579 - Status change not possible: Order has external purchase requisitions

IW579 - Overview

• Message type: E = Error

• Message class: IW - Order Processing

• Message number: 579

• Message text: Status change not possible: Order has external purchase requisitions

What causes this issue?

The status <ZH>Not Executed</> cannot be set as long as there are
external purchase requisitions for the order.

System Response

The system does not change the status.

How to fix this error?

Try to delete the purchase requisition. You may have to lock the order
for this period of time.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

IW579 - Details

• The SAP error message IW579, which states "Status change not possible: Order has external purchase requisitions," typically occurs when you attempt to change the status of a maintenance order or production order that has associated external purchase requisitions. This situation arises because the system prevents status changes that could disrupt the procurement process linked to those requisitions.
  
  Cause:
  
  External Purchase Requisitions: The order has one or more external purchase requisitions linked to it. These requisitions are created for materials or services that need to be procured from external vendors.
  Status Restrictions: Certain status changes (like closing or completing the order) are restricted when there are outstanding purchase requisitions, as it may lead to inconsistencies in the procurement process.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Purchase Requisitions:
  
  Go to the transaction code ME53N (Display Purchase Requisition) and check the status of the external purchase requisitions linked to the order.
  Ensure that all necessary