How To Fix MPE_OAN131 - OAN &1 version &2 referenced in relationship between &3 and &4 is unknown

MPE_OAN131 - Overview

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 131

• Message text: OAN &1 version &2 referenced in relationship between &3 and &4 is unknown

Self-Explanatory Message

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MPE_OAN131 - Details

• The SAP error message MPE_OAN131 indicates that there is an issue with the relationship between two objects in the system, specifically that the version of the object referenced is unknown. This error typically arises in the context of Asset Accounting (FI-AA) or related modules where relationships between assets or other entities are defined.
  
  Cause:
  
  Missing or Incorrect Data: The version of the object (asset, cost center, etc.) referenced in the relationship is either missing or not correctly defined in the system.
  Data Inconsistency: There may be inconsistencies in the data, such as a mismatch between the expected version and the actual version present in the database.
  
  Configuration Issues: The configuration settings for the asset or the relationship type may not be set up correctly, leading to the system being unable to recognize the relationship.
  Transport Issues: If the system has recently undergone a transport of changes, it is possible that the necessary data or configuration