Diagnosis
An error has occurred when creating the following field combination:
Source structure
Source field
Direct value source.

Procedure
Change your data so that one of the following combinations is created:
1. Source structure and field have both been maintained or are bothempty.
2. If the source structure and field have both been maintained, nodirect value source can be entered.
3. If the source structure and field have both not been maintained, adirect value source has to be entered.