errno[2]errstr[mysqli_connect(): Headers and client library minor version mismatch. Headers:100337 Library:30120]errfile[/home/rpgcodex/public_html/system/includes/system_start.php]errline[51]

Critical Error | System has already died.

Type: 6
Title: Unhandled Exception: 0
Text: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given
SQL:
Error:
File: /home/rpgcodex/public_html/system/includes/functions_system.php
Line: 402