There is no relationship

What causes this issue?

An attempt was made to contact a relationship using your internal GUID.
However, there is no relationship for this GUID.

System Response

The method in which the exception occurred was exited.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.