Diagnosis
The method layout has neither a "source" nor a "target".

System Response
The method layout cannot be used like this.

Procedure
Use at least one of the two elements ("source" or "target") in yourmethod layout.
The specification of a "target" indicates that this is a normalreclassification. The specification of only the "source" indicates thatthis is a one-sided reclassification without document type.