How To Fix OB502 - This purchase order can only be processed in the new transaction

SAP Error Message - Details

• Message type: E = Error

• Message class: OB - IS-OIL Downstream TDP messages

• Message number: 502

• Message text: This purchase order can only be processed in the new transaction

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message OB502 - This purchase order can only be processed in the new transaction ?

  The SAP error message OB502, which states "This purchase order can only be processed in the new transaction," typically occurs when you are trying to process a purchase order (PO) that has been created or modified in a way that requires the use of a new transaction code or interface in SAP.
  
  Cause:
  
  Transaction Code Change: The purchase order may have been created or modified in a newer version of the transaction that is not compatible with the older transaction code you are using.
  System Upgrade: If your SAP system has been upgraded, certain functionalities may have changed, and older transaction codes may no longer support the processing of certain documents.
  Configuration Settings: The system configuration may have been altered, leading to the requirement of using a new transaction for specific types of purchase orders.
  
  
  Solution:
  
  Use the New Transaction: Identify the new transaction code that corresponds to the functionality you are trying to access. This