How To Fix /ISDFPS/MM120 - Enter an existing purchase order

SAP Error Message - Details

• Message type: E = Error

• Message class: /ISDFPS/MM -

• Message number: 120

• Message text: Enter an existing purchase order

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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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Smart SAP Assistant

• What is the cause and solution for SAP error message /ISDFPS/MM120 - Enter an existing purchase order ?

  The SAP error message /ISDFPS/MM120 Enter an existing purchase order typically occurs in the context of the SAP system when a user is trying to process a transaction that requires a valid purchase order (PO) number, but the entered PO number does not exist in the system.
  Cause:
  
  Invalid Purchase Order Number: The most common cause is that the user has entered a purchase order number that does not exist in the system.
  Incorrect Document Type: The document type of the purchase order may not match the expected type for the transaction being performed.
  Authorization Issues: The user may not have the necessary authorizations to view or access the specified purchase order.
  Data Entry Errors: Typographical errors or incorrect formatting when entering the purchase order number can lead to this error.
  Purchase Order Deletion: The purchase order may have been deleted or archived, making it unavailable for the current transaction.
  
  Solution:
  
  Verify Purchase Order Number: Double-check the purchase order number for accuracy. Ensure that it is entered correctly without any typos.
  Check Purchase Order Status: Use transaction codes like ME23N (Display Purchase Order) to verify if the purchase order exists and is active.
  Use the Correct Document Type: Ensure that the purchase order you are trying to use is of the correct type for the transaction you are performing.
  Check Authorizations: Ensure that you have the necessary permissions to access the purchase order. If not, contact your SAP administrator for assistance.
  Consult with Colleagues: If you are unsure about the purchase order number, consult with colleagues or the procurement department to confirm the correct number.
  Review System Logs: If the issue persists, check system logs or consult with your SAP support team to identify any underlying issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as ME23N (Display Purchase Order), ME21N (Create Purchase Order), and ME22N (Change Purchase Order) to manage purchase orders effectively.
  SAP Documentation: Refer to SAP Help documentation for detailed information on purchase order management and error handling.
  User Training: Ensure that users are trained on how to correctly enter and manage purchase orders within the SAP system to minimize errors.
  
  If the problem continues after following these steps, it may be necessary to escalate the issue to your SAP support team for further investigation.