Moving site from HTTP to HTTPS

This seems like a webhosting error. Specifically, the webserver settings error.
I vote not to switch to HTTPS 🙂

This may be a certificate setting error (not a wrong certificate itself) or routing for HTTPS requests.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)