SAP Message VK337 - Condition type &1 and table &2 not allowed for group &3

Diagnosis
You tried to assign a condition with condition type &V1& to agreementV3. agreement v3 has condition type group v2. condition type v1is not allowed for condition type group &V2&.

System Response
Assigning this condition to agreement &V3& is rejected.

Procedure
Please check whether you selected the correct agreement number. Ifcondition type &V1& is allowed in condition type group &V2&, acorresponding assignment has to be made.
INCLUDE 'NA_CUST_MAINTAIN' OBJECT DOKU ID TX LANGUAGE E