How To Fix MPE_OAN220 - Group header &1 in OAN &2, version &3 is unknown

MPE_OAN220 - Overview

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 220

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

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_OAN220 - Details

• The SAP error message MPE_OAN220 typically indicates that there is an issue with the group header in the context of the Object Assignment Number (OAN) in the system. This error can occur in various scenarios, particularly when dealing with master data or configuration settings related to object assignments.
  
  Cause:
  
  
  Unknown Group Header: The error suggests that the system is unable to recognize the specified group header for the given Object Assignment Number (OAN) and version. This could be due to:
  
  The group header not being defined in the system.
  The group header being deleted or not activated.
  A mismatch in the versioning of the group header.
  
  
  
  Data Inconsistency: There may be inconsistencies in the data, such as missing or incorrect entries in the relevant tables.
  
  
  
  Configuration Issues: The configuration settings related to the object assignment or group headers may not be set up correctly.
  
  
  
  Solution:
  
  
  Check Group Header Definition:
  
  Verify that the group header specified in the error message exists