How To Fix MPE_OAN191 - Specify the name of the parameter for action handler &1

MPE_OAN191 - Overview

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 191

• Message text: Specify the name of the parameter for action handler &1

Self-Explanatory Message

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MPE_OAN191 - Details

• The SAP error message MPE_OAN191, which states "Specify the name of the parameter for action handler &1," typically occurs in the context of SAP applications when there is an issue with the configuration of action handlers in the system. This error indicates that a required parameter name for a specific action handler has not been provided or is missing.
  
  Cause:
  
  Missing Parameter Name: The most common cause of this error is that the action handler is expecting a parameter name to be specified, but it has not been provided in the configuration.
  Incorrect Configuration: There may be an issue with the configuration of the action handler itself, such as incorrect settings or missing entries in the relevant customizing tables.
  Development Issues: If the action handler is custom-developed, there may be a bug or oversight in the code that fails to pass the required parameter.
  
  
  Solution:
  
  Check Configuration: Review the configuration settings for the action handler in