SAP Message WB2B211 - No message schema exists in the trading contract type

Diagnosis
You want to
IF &V2& = 'X'.
process
ELSE.
issue
ENDIF.a message with target group "management".
To do this, a message schema must be entered in contract type &V1&.

System Response
As no message schema is entered in contract type &V1&, the requiredfunction cannot be performed.