SQLSTATE[HY000] [1045] Access denied for user 'groovy'@'wp276.webpack.hosteurope.de' (using password: YES)

Fatal error: Uncaught Error: Call to undefined function mysql_query() in /is/htdocs/wp10993780_1G1WIES5EG/www/groovy.de/warenkorb.php:5 Stack trace: #0 {main} thrown in /is/htdocs/wp10993780_1G1WIES5EG/www/groovy.de/warenkorb.php on line 5