How To Fix MPE_OAN195 - &1 is not a valid action handler

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 195

• Message text: &1 is not a valid action handler

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_OAN195 - &1 is not a valid action handler ?

  The SAP error message MPE_OAN195 indicates that the specified action handler is not valid. This error typically occurs in the context of SAP applications that utilize action handlers for processing certain operations, such as workflows or business processes.
  Cause:
  
  Invalid Action Handler Name: The action handler specified in the configuration or the process definition does not exist or is misspelled.
  Configuration Issues: The action handler may not be properly configured in the system.
  Missing Implementation: The action handler might not have been implemented or activated in the system.
  Authorization Issues: The user may not have the necessary authorizations to access the action handler.
  System Version Compatibility: The action handler may not be compatible with the version of the SAP system you are using.
  
  Solution:
  
  Check Action Handler Name: Verify that the action handler name specified in the configuration is correct and matches the name defined in the system.
  Review Configuration: Ensure that the action handler is properly configured in the relevant transaction or configuration settings.
  Implement Action Handler: If the action handler is missing, you may need to implement it or activate it in the system.
  Check Authorizations: Ensure that the user executing the action has the necessary authorizations to access the action handler.
  Consult Documentation: Refer to the SAP documentation or help resources for the specific action handler to ensure it is set up correctly.
  System Logs: Check system logs (transaction SLG1) for any additional error messages or warnings that may provide more context about the issue.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for further assistance, especially if it involves custom developments or configurations.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found.
  Documentation: Review the official SAP documentation for the specific module or functionality you are working with to ensure compliance with best practices.
  
  By following these steps, you should be able to identify and resolve the issue related to the MPE_OAN195 error message.