Message type: E = Error
Message class: USMD1 - Datenmodel
Message number: 652
Message text: Navigation not possible, relationship is no foreign key relationship
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USMD1652
- Navigation not possible, relationship is no foreign key relationship ?The SAP error message USMD1652, which states "Navigation not possible, relationship is no foreign key relationship," typically occurs in the context of SAP Master Data Governance (MDG) when trying to navigate between entities or data models that are not properly linked through foreign key relationships.
Cause: Missing Foreign Key Relationship: The primary cause of this error is that the relationship you are trying to navigate does not have a defined foreign key relationship in the underlying data model. This means that the system does not recognize how the two entities are related. Incorrect Configuration: The data model may not be configured correctly, or the relationships between the entities may not have been set up properly in the MDG configuration. Data Model Changes: If there have been recent changes to the data model or relationships, it is possible that the navigation paths have not been updated accordingly.
Solution: Check Data Model Configuration: Go to the MDG data model
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