How To Fix 5A284 - Object type & is not possible as source object type of relationship

5A284 - Overview

• Message type: E = Error

• Message class: 5A - Basis Personnel Management

• Message number: 284

• Message text: Object type & is not possible as source object type of relationship

What causes this issue?

The object type entered is not allowed as the source object type in a
relationship. The object type is defined in table T77EO as an external
object type, for which no inverse relationship is allowed. This means
that the object type may only be used as the target object type in a
relationship, not as the source object type.

Error message extract from SAP system. Copyright SAP SE.

5A284 - Details

• The SAP error message 5A284 indicates that there is an issue with the object type being used in a relationship definition. Specifically, the message states that the specified object type is not valid as a source object type for the relationship you are trying to create or modify.
  
  Cause:
  The error typically arises due to one of the following reasons:
  
  Invalid Object Type: The object type you are trying to use as a source in a relationship is not allowed or recognized in the context of the relationship you are defining.
  
  Configuration Issues: There may be a misconfiguration in the relationship settings or the object types involved.
  Authorization Issues: The user may not have the necessary authorizations to create or modify relationships involving the specified object type.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Object Type Validity:
  
  Verify that the object type you are using is valid for the relationship you are trying to