How To Fix MPE_OAN204 - Group &1, version &2 is unknown in OAN &3, version &4

MPE_OAN204 - Overview

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 204

• Message text: Group &1, version &2 is unknown in OAN &3, version &4

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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MPE_OAN204 - Details

• The SAP error message MPE_OAN204 typically indicates that there is an issue with the configuration of a specific group and version in the context of an Object Assignment Number (OAN). This error can occur in various scenarios, particularly when dealing with master data or configuration settings in SAP.
  
  Cause:
  The error message "Group &1, version &2 is unknown in OAN &3, version &4" suggests that the system is unable to find the specified group and version combination for the given Object Assignment Number (OAN). This can happen due to several reasons:
  
  Incorrect Group or Version: The group or version specified in the transaction or configuration does not exist in the system.
  Data Inconsistency: There may be inconsistencies in the master data or configuration settings that lead to the system not recognizing the specified group/version.
  Missing Configuration: The necessary configuration for the group/version may not have been set up in the system.
  Transport Issues: If the configuration