A PHP Error was encountered

Severity: Notice

Message: Only variables should be assigned by reference

Filename: core/Loader.php

Line Number: 74

Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /kunden/155112_33442/rp-hosting/18/21/system/codeigniter/system/database/drivers/mysql/mysql_driver.php:73 Stack trace: #0 /kunden/155112_33442/rp-hosting/18/21/system/codeigniter/system/database/DB_driver.php(115): CI_DB_mysql_driver->db_connect() #1 /kunden/155112_33442/rp-hosting/18/21/system/codeigniter/system/database/DB_driver.php(502): CI_DB_driver->initialize() #2 /kunden/155112_33442/rp-hosting/18/21/system/codeigniter/system/database/DB_driver.php(351): CI_DB_driver->simple_query() #3 /kunden/155112_33442/rp-hosting/18/21/system/codeigniter/system/database/DB_active_rec.php(1067): CI_DB_driver->query() #4 /kunden/155112_33442/rp-hosting/18/21/system/expressionengine/core/EE_Config.php(208): CI_DB_active_record->get_where() #5 /kunden/155112_33442/rp-hosting/18/21/system/expressionengine/libraries/Core.php(119): EE_Config->site_prefs() #6 /kunden/155112_33442/rp-hosting/18/21/system/expressionengine/core/EE_Controller.php(33): EE_Core->boo in /kunden/155112_33442/rp-hosting/18/21/system/codeigniter/system/database/drivers/mysql/mysql_driver.php on line 73