The name of the association &1 is not unique in this context.

What causes this issue?

The name of the association &V1& is not unique in this context. Either
associations of the same name are defined in multiple underlying data
sources or this name could either be matched to an association as well
as to a table alias.

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?

Use a full qualified name for the association by prefixing it with the
name or the alias of the correct data source<(>,<)>

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.