Ошибка при соединении с БД!

Ошибка "Lost connection to MySQL server at 'reading initial communication packet', system error: 0 "Internal error/check (Not system error)"" при соединении с БД.

Проверьте доступность сервера БД и параметры соединения с БД!

Notice: Undefined variable: MSG_kernel in /var/www/www-root/data/www/agregat-avia.com/modules/Kernel/admin_output.fns.php on line 436

Notice: Use of undefined constant PRODUCT_NAME - assumed 'PRODUCT_NAME' in /var/www/www-root/data/www/agregat-avia.com/modules/Kernel/admin_output.fns.php on line 436
PRODUCT_NAME v. 5

Notice: Undefined variable: MSG_kernel in /var/www/www-root/data/www/agregat-avia.com/modules/Kernel/admin_output.fns.php on line 446

Notice: Use of undefined constant PRODUCT_HTTP - assumed 'PRODUCT_HTTP' in /var/www/www-root/data/www/agregat-avia.com/modules/Kernel/admin_output.fns.php on line 446
PRODUCT_HTTP

Notice: Undefined variable: MSG_kernel in /var/www/www-root/data/www/agregat-avia.com/modules/Kernel/admin_output.fns.php on line 448

Notice: Use of undefined constant SUPPORT_EMAIL - assumed 'SUPPORT_EMAIL' in /var/www/www-root/data/www/agregat-avia.com/modules/Kernel/admin_output.fns.php on line 448
SUPPORT_EMAIL

Notice: Undefined variable: MSG_kernel in /var/www/www-root/data/www/agregat-avia.com/modules/Kernel/admin_output.fns.php on line 450

Notice: Use of undefined constant SALES_EMAIL - assumed 'SALES_EMAIL' in /var/www/www-root/data/www/agregat-avia.com/modules/Kernel/admin_output.fns.php on line 450
SALES_EMAIL