Warning: Declaration of menuWalker::start_el(&$output, $item, $depth, $args) should be compatible with Walker_Nav_Menu::start_el(&$output, $item, $depth = 0, $args = Array, $id = 0) in /var/www/vhosts/musikverein-duesseldorf.de/httpdocs/wp-content/themes/ownTheme2/templateElements/class.menuWalker.php on line 0

Notice: add_custom_background ist seit Version 3.4.0 veraltet! Benutze stattdessen add_theme_support( 'custom-background', $args ). in /var/www/vhosts/musikverein-duesseldorf.de/httpdocs/wp-includes/functions.php on line 3853

Fatal error: Uncaught ArgumentCountError: Too few arguments to function template_part_exists(), 1 passed in /var/www/vhosts/musikverein-duesseldorf.de/httpdocs/wp-includes/class-wp-hook.php on line 286 and exactly 2 expected in /var/www/vhosts/musikverein-duesseldorf.de/httpdocs/wp-content/themes/ownTheme2/functions.php:161 Stack trace: #0 /var/www/vhosts/musikverein-duesseldorf.de/httpdocs/wp-includes/class-wp-hook.php(286): template_part_exists('') #1 /var/www/vhosts/musikverein-duesseldorf.de/httpdocs/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #2 /var/www/vhosts/musikverein-duesseldorf.de/httpdocs/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #3 /var/www/vhosts/musikverein-duesseldorf.de/httpdocs/wp-settings.php(450): do_action('init') #4 /var/www/vhosts/musikverein-duesseldorf.de/httpdocs/wp-config.php(86): require_once('/var/www/vhosts...') #5 /var/www/vhosts/musikverein-duesseldorf.de/httpdocs/wp-load.php(37): require_once('/var/www/vhosts...') #6 /var/www/vhosts/musikverein-due in /var/www/vhosts/musikverein-duesseldorf.de/httpdocs/wp-content/themes/ownTheme2/functions.php on line 161