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Warning: mysqli::__construct(): (HY000/2006): MySQL server has gone away in /home/admin/web/M21/public_html/configs.php on line 15

Fatal error: Uncaught Error: mysqli object is already closed in /home/admin/web/M21/public_html/configs.php:16 Stack trace: #0 /home/admin/web/M21/public_html/configs.php(16): mysqli->query() #1 /home/admin/web/M21/public_html/index.php(290): include('...') #2 {main} thrown in /home/admin/web/M21/public_html/configs.php on line 16