SAP Message WB2B214 - No message schema exists in the purchasing grouping

Diagnosis
You want to
IF &V2& = 'X'.
process
ELSE.
issue
ENDIF.
a message with the target group "vendor".
To do this, a message schema must be determined in purchasing groupingV1.

System Response
As no message schema is entered in purchasing grouping &V1&, therequired function cannot be performed.