SAP Message WB2B212 - No message schema for item messages in the contract type

Diagnosis
You want to "Management"
IF &V2& = 'X'.
process
ELSE.
issue
ENDIF.
a message at item level with the target group "management".
To do this, a message schema for item messages must be entered incontract type &V1&.

System Response
As no message schema for item messages is entered in contract type &V1&
, the required function cannot be performed.