Diagnosis
No unique reconciliation key can be determined forthe run with run date &V1& and run identification &V2&.

System Response
It is not possible to save the data.

Procedure
You have to do more than just change therun identification at the sixth position.
Example:
You have executed a dunning proposal run with the run ID "MAHNL1" andwant to name a second dunning proposal run on the same day "MAHNL2".The system rejects this run ID.
Change at least one of the first five characters of the run ID,for example, "MAHN21".