Diagnosis
The link referencing a criteria field to another one in a link criteriarule has to be unique.
On the system more than one such links have been found for the givencriteria field.

System Response
The first link found will be used.

Procedure
The criteria rule is invalid. It has to be recreated.
At the moment changes of the criteria rules are not supported. Thesubscription generator has to be recreated. For more information referto the documentation.
Always create and test subscription generators on your test system. Ifeverything works correctly, transport the generator to the targetsystems.
After creation, transport (if necessary), and activation of the newsubscription generator on the target client, the invalid subscriptiongenerator can be set to status 'To Be Deleted'.