Fatal error: Uncaught Error: Call to undefined function mysql_query() in /home/klient.dhosting.pl/wrk/wrk/wp-content/plugins/event-calendar-scheduler/codebase/dhtmlxSchedulerConfigurator.php:38
Stack trace:
#0 /home/klient.dhosting.pl/wrk/wrk/wp-content/plugins/event-calendar-scheduler/codebase/dhtmlxSchedulerConfigurator.php(32): SchedulerConfig->parseConfig()
#1 /home/klient.dhosting.pl/wrk/wrk/wp-content/plugins/event-calendar-scheduler/scheduler.php(65): SchedulerConfig->__construct('scheduler_confi...', Object(DHXDBConfig), NULL, false)
#2 /home/klient.dhosting.pl/wrk/wrk/wp-settings.php(371): include_once('/home/klient.dh...')
#3 /home/klient.dhosting.pl/wrk/wrk/wp-config.php(99): require_once('/home/klient.dh...')
#4 /home/klient.dhosting.pl/wrk/wrk/wp-load.php(37): require_once('/home/klient.dh...')
#5 /home/klient.dhosting.pl/wrk/wrk/wp-blog-header.php(13): require_once('/home/klient.dh...')
#6 /home/klient.dhosting.pl/wrk/wrk/index.php(17): require('/home/klient.dh...')
#7 {main}
thrown in /home/klient.dhosting.pl/wrk/wrk/wp-content/plugins/event-calendar-scheduler/codebase/dhtmlxSchedulerConfigurator.php on line 38