Database connection problem, pls someone help me sort it out

Warning : mysqli::__construct(): (HY000/1045): ProxySQL Error: Access denied for user ‘root’@‘2a02:4780:bad:f00d::8’ (using password: NO) in /storage/ssd4/011/11367011/public_html/lib/Database.php on line 21

Warning : mysqli_real_escape_string(): Couldn’t fetch mysqli in /storage/ssd4/011/11367011/public_html/classes/Register.php on line 29

Or if you wish you can talk to me via so that i can send you my website details to check it out

Wrong username and likely database name.

See your 000webhost panel > Manage Database for the correct details.