SAP Message 0D552 - Collective invoice account &1 or coll.invoice partner &2 is blank

Diagnosis
Both fields for the collective invoice relationship must be filled. Inthis case the values are as follows:
Collective invoice account: &V1&
Collective invoice partner: &V2&

System Response
Processing was interrupted.
INCLUDE FICA_NA_OSS OBJECT DOKU ID TX