How To Fix MPE_OAN202 - Action handler &1 is not allowed for post-processing

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 202

• Message text: Action handler &1 is not allowed for post-processing

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_OAN202 - Action handler &1 is not allowed for post-processing ?

  The SAP error message MPE_OAN202 indicates that an action handler is not allowed for post-processing in the context of a specific operation or transaction. This error typically arises in the context of SAP's Material Management (MM) or Order Management processes, particularly when dealing with post-processing frameworks (PPF) or similar functionalities.
  Cause:
  
  Configuration Issues: The action handler may not be properly configured in the system. This could be due to missing or incorrect settings in the PPF configuration.
  Authorization Problems: The user may not have the necessary authorizations to execute the action associated with the handler.
  Business Logic Restrictions: The action may not be applicable for the current state of the document or transaction. For example, certain actions may only be allowed for specific document statuses.
  Custom Development: If there are custom enhancements or modifications in the system, they may inadvertently restrict certain actions.
  
  Solution:
  
  
  Check Configuration:
  
  Review the PPF configuration settings in transaction SPRO. Ensure that the action handler is correctly defined and linked to the appropriate business object.
  Verify that the action is active and correctly assigned to the relevant document types.
  
  
  
  Review Authorizations:
  
  Check the user roles and authorizations to ensure that the user has the necessary permissions to perform the action. This can be done using transaction SU53 to analyze authorization failures.
  
  
  
  Document Status:
  
  Ensure that the document or transaction is in a state that allows the action to be executed. For example, if the document is already completed or archived, certain actions may not be permitted.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the process to identify where the restriction is occurring. This may involve checking the code related to the action handler.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to the specific action handler and its allowed operations. This can provide insights into any known issues or limitations.
  
  
  
  Contact SAP Support:
  
  If the problem cannot be resolved through the above steps, consider reaching out to SAP support for further assistance. Provide them with detailed information about the error, including the context in which it occurs.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO (for configuration), SU53 (for authorization checks), and SE80 (for development).
  SAP Notes: Search for SAP Notes related to MPE_OAN202 for any patches or updates that may address the issue.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to diagnose and resolve the MPE_OAN202 error effectively.