user does not have any message that the request has been sent.

Hello! I urgently need help with plugin A +.
Since I updated (a few days ago) A + makes 2 errors that did not before:
1) when a user registers and sends an appointment, when making the request; NO RECEIVE any information/reporting immediate that the sending has been successful.On Screen a user does not have any message that the request has been sent.
2) Within the administration when you want to edit an appointment seen 2 times for the same fields, virtually the same card doubled.

Can you help me please?
Stefano