The (lower case) msg key is not specified in the HTTP request. For Pass-through mode, specify a msg key. (reception name = aa....aa, reception ID = bb....bb)

aa....aa: Reception name
bb....bb: Reception ID

Description

The processing will be interrupted because the msg key was not found in the HTTP request.

(S)

Processing is interrupted.

(O)

If you are using the pass-through mode, specify at least one msg key in the request parameter. Also, specify the msg key in lowercase.