Do you have any question about this error?
Message type: E = Error
Message class: USMD1 - Datenmodel
Message number: 591
Message text: Model &1, ent.type &2: Only 1 foreign key relationship for attribute &3
You have specified the attribute &V2& as a key field. Such attributes
must occur in only one foreign key relationship.
The data model cannot be saved or activated.
Edit the fields in the <LS>Fields of Foreign Key Relationships</> view
in Customizing activity <DS:SIMG.FMDM_USMD001>Edit Data Model</>.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
USMD1591
- Model &1, ent.type &2: Only 1 foreign key relationship for attribute &3 ?Get instant SAP help. Start your 7-day free trial now.
USMD1590
Data model &1, foreign key relationship &2: Field assignment missing
What causes this issue? You have specified the attribute &V2& as a key field. You still need to assign the attribute in a foreign key relatio...
USMD1588
Model &1: Name of data model is incorrect
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
USMD1592
Data model &1, to-entity type &2: Invalid foreign key relationship &3
What causes this issue? Relationships with the type <ZK>foreign key relationship</> are only allowed for To-entity types with <DS:DE.U...
USMD1593
Data model &1, from-entity type &2: Invalid relationship
What causes this issue? Entity types with <DS:DE.USMD_USAGE_TYPE>storage and use type</> 4 must be used as To-entity types in relationshi...
Click on this link to search all SAP messages.