Подскажите как исправить

[Thu Jun 23 10:42:16.323187 2016] [cgi:error] [pid 4592] [client 188.234.245.59:23061] AH01215: PHP Warning:  PHP Startup: Unable to load dynamic library '/opt/php70/lib/php/modules/xmlreader.so' - /opt/php70/lib/php/modules/xmlreader.so: undefined symbol: dom_node_class_entry in Unknown on line 
[Thu Jun 23 10:42:16.378547 2016] [cgi:error] [pid 4592] [client 188.234.245.59:23061] AH01215: PHP Fatal error:  Uncaught ErrorException: mysqli::prepare(): Couldn't fetch IPS\\Db in /var/www/doker/data/www/myservak.su/system/Db/Db.php:38
[Thu Jun 23 10:42:16.378586 2016] [cgi:error] [pid 4592] [client 188.234.245.59:23061] AH01215: Stack trace
[Thu Jun 23 10:42:16.378649 2016] [cgi:error] [pid 4592] [client 188.234.245.59:23061] AH01215: #0 [internal function]: IPS\\IPS::errorHandler(2, 'mysqli::prepare...', '/var/www/doker/...', 385, Array
[Thu Jun 23 10:42:16.378710 2016] [cgi:error] [pid 4592] [client 188.234.245.59:23061] AH01215: #1 /var/www/doker/data/www/myservak.su/system/Db/Db.php(385): mysqli->prepare('/*IPS\\\\_Task::qu...'
[Thu Jun 23 10:42:16.378802 2016] [cgi:error] [pid 4592] [client 188.234.245.59:23061] AH01215: #2 /var/www/doker/data/www/myservak.su/system/Db/Select.php(346): IPS\\_Db->preparedQuery('/*IPS\\\\_Task::qu...', Array
[Thu Jun 23 10:42:16.378901 2016] [cgi:error] [pid 4592] [client 188.234.245.59:23061] AH01215: #3 /var/www/doker/data/www/myservak.su/system/Db/Select.php(402): IPS\\Db\\_Select->runQuery(
[Thu Jun 23 10:42:16.378960 2016] [cgi:error] [pid 4592] [client 188.234.245.59:23061] AH01215: #4 /var/www/doker/data/www/myservak.su/system/Task/Task.php(110): IPS\\Db\\_Select->rewind(
[Thu Jun 23 10:42:16.379019 2016] [cgi:error] [pid 4592] [client 188.234.245.59:23061] AH01215: #5 /var/www/doker/data/www/myservak.su/system/Dispatcher/Standard.php(301): IPS\\_Task::queued(
[Thu Jun 23 10:42:16.379058 2016] [cgi:error] [pid 4592] [client 188.234.245.59:23061] AH01215: #6 [internal function]: IPS\\Dispatcher\\_Standard->__destruct(
[Thu Jun 23 10:42:16.379067 2016] [cgi:error] [pid 4592] [client 188.234.245.59:23061] AH01215: #7 {main
[Thu Jun 23 10:42:16.379114 2016] [cgi:error] [pid 4592] [client 188.234.245.59:23061] AH01215:   thrown in /var/www/doker/data/www/myservak.su/system/Db/Db.php on line 38
[Thu Jun 23 10:42:16.379622 2016] [cgi:error] [pid 4592] [client 188.234.245.59:23061] AH01215: PHP Fatal error:  Uncaught ErrorException: mysqli::prepare(): Couldn't fetch IPS\\Db in /var/www/doker/data/www/myservak.su/system/Db/Db.php:38
[Thu Jun 23 10:42:16.379643 2016] [cgi:error] [pid 4592] [client 188.234.245.59:23061] AH01215: Stack trace
[Thu Jun 23 10:42:16.379705 2016] [cgi:error] [pid 4592] [client 188.234.245.59:23061] AH01215: #0 [internal function]: IPS\\IPS::errorHandler(2, 'mysqli::prepare...', '/var/www/doker/...', 385, Array
[Thu Jun 23 10:42:16.379766 2016] [cgi:error] [pid 4592] [client 188.234.245.59:23061] AH01215: #1 /var/www/doker/data/www/myservak.su/system/Db/Db.php(385): mysqli->prepare('/*IPS\\\\Session\\\\_...'
[Thu Jun 23 10:42:16.379835 2016] [cgi:error] [pid 4592] [client 188.234.245.59:23061] AH01215: #2 /var/www/doker/data/www/myservak.su/system/Db/Db.php(688): IPS\\_Db->preparedQuery('/*IPS\\\\Session\\\\_...', Array
[Thu Jun 23 10:42:16.379904 2016] [cgi:error] [pid 4592] [client 188.234.245.59:23061] AH01215: #3 /var/www/doker/data/www/myservak.su/system/Session/Front.php(300): IPS\\_Db->replace('core_sessions', Array, true
[Thu Jun 23 10:42:16.379950 2016] [cgi:error] [pid 4592] [client 188.234.245.59:23061] AH01215: #4 [internal function]: IPS\\Session\\_Front->write('d5058b0nv33l3rh...', ''
[Thu Jun 23 10:42:16.379958 2016] [cgi:error] [pid 4592] [client 188.234.245.59:23061] AH01215: #5 {main
[Thu Jun 23 10:42:16.380005 2016] [cgi:error] [pid 4592] [client 188.234.245.59:23061] AH01215:   thrown in /var/www/doker/data/www/myservak.su/system/Db/Db.php on line 38

Сайт выдаёт 500 ошибку, расширение xmlreader включено. Другой сайт на этом php Нормально работает

Решено, старая запись в sql_socket