How To Fix MPE_OAN203 - Action handler &1 is not allowed for pre-processing

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 203

• Message text: Action handler &1 is not allowed for pre-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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_OAN203 - Action handler &1 is not allowed for pre-processing ?

  The SAP error message MPE_OAN203 indicates that an action handler is not allowed for pre-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 actions that are not permitted in the current state of the document or transaction.
  Cause:
  
  Invalid Action Handler: The action handler specified in the error message is not configured to be executed during the pre-processing phase of the transaction.
  Document Status: The document or transaction may be in a status that does not allow the specified action to be performed.
  Configuration Issues: There may be configuration settings in the SAP system that restrict certain actions based on business rules or workflows.
  Authorization Issues: The user may not have the necessary authorizations to perform the action associated with the handler.
  
  Solution:
  
  Check Action Handler Configuration: Review the configuration of the action handler in the SAP system to ensure it is set up correctly for pre-processing. This may involve checking the customizing settings in the relevant transaction codes (e.g., SPRO).
  Review Document Status: Verify the status of the document or transaction you are working with. Ensure that it is in a state that allows the action you are trying to perform.
  Consult with SAP Basis or Functional Team: If you suspect that the issue is related to configuration or authorization, consult with your SAP Basis or functional team to review the settings and permissions.
  Check User Authorizations: Ensure that the user attempting to perform the action has the necessary authorizations. This can be checked using transaction code SU53 to analyze authorization failures.
  Refer to SAP Notes: Look for any relevant SAP Notes that may address this specific error message. SAP Notes often provide solutions or workarounds for known issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO (for configuration), SU53 (for authorization checks), and others related to the specific module you are working with.
  Documentation: Review SAP documentation or help files related to the specific module (e.g., MM, SD) to understand the context of action handlers and their allowed states.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  If the problem persists after following these steps, it may be necessary to engage SAP support for further assistance.