SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo failed: Temporary failure in name resolution
Fatal error: Uncaught Error: Call to a member function query() on null in /var/www/html/application/libraries/drivers/mysql.php:100 Stack trace: #0 /var/www/html/application/models/document_template.php(248): Mysql_Driver->queryexecute() #1 /var/www/html/application/controllers/main.php(308): Document_Template_Model->GetListAvailableDocument() #2 /var/www/html/application/controllers/router.php(67): Main_Controller->main(Array, Array) #3 /var/www/html/index.php(25): require_once('/var/www/html/a...') #4 {main} thrown in /var/www/html/application/libraries/drivers/mysql.php on line 100