How To Fix UD345 - Entity type & is assigned to more than one object type.

SAP Error Message - Details

• Message type: E = Error

• Message class: UD - EDM - Enterprise Data Model

• Message number: 345

• Message text: Entity type & is assigned to more than one object type.

What causes this issue?

You want to change from an entity type to the corresponding object type.
This is not possible because the entity type is assigned to more than
one object type.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Make an unique assignment.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UD345 - Entity type & is assigned to more than one object type. ?

  The SAP error message UD345 indicates that an entity type is assigned to more than one object type, which is not allowed in the context of the data model in SAP. This typically occurs in the context of SAP's data modeling tools, such as the SAP Business Application Studio or SAP HANA modeling.
  
  Cause:
  The error arises when:
  
  An entity type (which represents a data structure) is incorrectly configured to be associated with multiple object types (which represent different business entities or processes).
  There may be a misconfiguration in the data model where the same entity type is being reused inappropriately across different contexts or object types.
  
  
  Solution:
  To resolve the UD345 error, you can follow these steps:
  
  
  Review the Data Model:
  
  Check the data model to identify where the entity type is being used.
  Ensure that each entity type is uniquely assigned to a single object type.
  
  
  
  Modify Assignments:
  
  If the entity type is indeed assigned to multiple object types,