SAP Message RE191 - Only records of the type "manual reduction" can be cancelled

Diagnosis
This message may be triggered by one of two things:

  • You have chosen a totals record.

  • You have chosen a record which is not a manual reduction.

  • In this environment, you can only cancel history records originatingfrom manual reduction. All other records can be raised with theappropriate transaction. This includes setting the amount to zero orposting a record with a negative amount.