How To Fix IW512 - Order number identical with network number

SAP Error Message - Details

• Message type: E = Error

• Message class: IW - Order Processing

• Message number: 512

• Message text: Order number identical with network number

What causes this issue?

You are trying to maintain the assignment of a PM order to a network in
the Project System. However, you have entered the number of the PM
order as the network number.

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?

Enter the number of an existing network using the F4 help button if
necessary.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IW512 - Order number identical with network number ?

  The SAP error message IW512 ("Order number identical with network number") typically occurs in the context of project management or order management within the SAP system, particularly when dealing with maintenance orders or project orders that have associated networks.
  Cause:
  This error arises when there is an attempt to create or modify an order that has the same number as an existing network. In SAP, both orders and networks are assigned unique identifiers, and the system does not allow an order number to be the same as a network number to avoid confusion and ensure data integrity.
  Solution:
  To resolve the IW512 error, you can take the following steps:
  
  
  Check the Order and Network Numbers:
  
  Verify the order number you are trying to use and check if it matches any existing network number in the system. You can do this by using transaction codes like CN21 (to display networks) or IW32 (to display orders).
  
  
  
  Use a Different Order Number:
  
  If you find that the order number you are trying to use is indeed the same as an existing network number, you will need to select a different order number that does not conflict with any existing network numbers.
  
  
  
  Review Configuration:
  
  If this issue occurs frequently, it may be worth reviewing the configuration settings for order and network number ranges in the system. Ensure that the number ranges for orders and networks are set up correctly to avoid overlaps.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed information on how order and network numbers are managed within your specific version of SAP.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue on your own, consider reaching out to your SAP support team or consulting SAP's support channels for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as IW31 (Create Order), IW32 (Change Order), IW33 (Display Order), CN21 (Create Network), and CN22 (Change Network).
  Number Ranges: Understanding how number ranges are configured in SAP can help prevent this error in the future. You can check number range settings in the customizing settings (transaction code SPRO).
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  
  By following these steps, you should be able to resolve the IW512 error and continue with your order processing in SAP.