How To Fix IW706 - Warning: A purchase order already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: IW - Order Processing

• Message number: 706

• Message text: Warning: A purchase order already exists

What causes this issue?

You have changed the control key for an operation.

System Response

The system issues a warning because the change of control key makes the
existing purchase requisition invalid.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IW706 - Warning: A purchase order already exists ?

  The SAP error message IW706 ("Warning: A purchase order already exists") typically occurs in the context of creating or processing a maintenance order or service order in the SAP system. This warning indicates that there is already an existing purchase order associated with the maintenance or service order you are trying to create or modify.
  Cause:
  
  Existing Purchase Order: The primary cause of this warning is that a purchase order (PO) has already been created for the same maintenance order or service order. This can happen if the order was previously processed or if there was an attempt to create a duplicate order.
  Data Entry Errors: Sometimes, data entry errors or miscommunication can lead to the creation of multiple orders for the same requirement.
  System Configuration: In some cases, the system configuration or settings may allow for the creation of multiple purchase orders for the same service or maintenance order, leading to this warning.
  
  Solution:
  
  
  Check Existing Purchase Orders: 
  
  Use transaction codes like ME23N (Display Purchase Order) to check if a purchase order already exists for the maintenance order in question.
  Verify the details of the existing purchase order to ensure it meets your requirements.
  
  
  
  Review Order Details: 
  
  Ensure that the maintenance order or service order details are correct and that you are not inadvertently trying to create a duplicate order.
  If the existing purchase order is valid, you may need to use it instead of creating a new one.
  
  
  
  Modify Existing Purchase Order: 
  
  If changes are needed, consider modifying the existing purchase order rather than creating a new one. This can often be done through transaction ME22N (Change Purchase Order).
  
  
  
  Consult with Procurement Team: 
  
  If you are unsure about the existing purchase order or how to proceed, consult with your procurement or purchasing team for guidance.
  
  
  
  System Configuration Review: 
  
  If this warning is occurring frequently and is causing issues, it may be worth reviewing the system configuration with your SAP Basis or technical team to ensure that the settings align with your business processes.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as IW31 (Create Order), IW32 (Change Order), ME21N (Create Purchase Order), and ME22N (Change Purchase Order).
  Documentation: Review SAP documentation or help files related to maintenance orders and purchase orders for additional context and troubleshooting steps.
  User Roles and Permissions: Ensure that you have the appropriate roles and permissions to create or modify purchase orders and maintenance orders in the SAP system.
  
  By following these steps, you should be able to address the IW706 warning effectively. If the issue persists, consider reaching out to your SAP support team for further assistance.