How To Fix MPE_OAN205 - Relationships with identical start and end element are not allowed.

MPE_OAN205 - Overview

• Message type: E = Error

• Message class: MPE_OAN - Operation Activity Network Messages

• Message number: 205

• Message text: Relationships with identical start and end element are not allowed.

Self-Explanatory Message

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MPE_OAN205 - Details

• The SAP error message MPE_OAN205 indicates that there is an issue with the relationships defined in the Master Data Management (MDM) or in the context of the Object Attribute Network (OAN) where two or more relationships have identical start and end elements. This typically occurs in scenarios where relationships between objects or attributes are being defined, and the system does not allow for duplicate relationships that point from the same source to the same target.
  
  Cause:
  
  Duplicate Relationships: The most common cause of this error is the existence of multiple relationships that have the same starting and ending points. For example, if you have a relationship defined from Object A to Object B, and you try to define another relationship from Object A to Object B, the system will throw this error.
  Data Entry Errors: Sometimes, this can occur due to data entry mistakes where the same relationship is inadvertently created multiple times.
  Configuration