After pressing button "Send Reset Password Email" a blank page appears. There's no email sent, no information, only white blank page. The problem started after upgrading Q2A from 1.7.5 to 1.8.0.
An option to send emails via SMTP is disabled.
What's wrong? Thanks in advance.
EDIT: I found another error. Blank page appears after sending private message. Finally message is send, but the user (receiver) doesn't receive an email about that. In this situation I decided to temporary downgrade version of Q2A back to 1.7.5 (until we find out what's wrong with 1.8.0) and now problems mentioned above doesn't appear.