Fatal error: Uncaught mysqli_sql_exception: MySQL server has gone away in /var/www/html/zfx-shared-classes/DBcustom.php:37
Stack trace:
#0 /var/www/html/zfx-shared-classes/DBcustom.php(37): mysqli_query()
#1 /var/www/html/zfx-shared-classes/DBcustom.php(109): DBcustom->__construct()
#2 /var/www/html/wp-config.php(8): DBcustom::getInstance()
#3 /var/www/html/wp-load.php(50): require_once('/var/www/html/w...')
#4 /var/www/html/wp-blog-header.php(13): require_once('/var/www/html/w...')
#5 /var/www/html/index.php(17): require('/var/www/html/w...')
#6 {main}
  thrown in /var/www/html/zfx-shared-classes/DBcustom.php on line 37