Fatal error: Uncaught TypeError: method_exists(): Argument #1 ($object_or_class) must be of type object|string, null given in /customers/1/8/b/janjedenak.de/httpd.www/wp-content/plugins/iron-music/admin/options.php:1766
Stack trace:
#0 /customers/1/8/b/janjedenak.de/httpd.www/wp-content/plugins/iron-music/admin/options.php(1766): method_exists(NULL, 'get')
#1 /customers/1/8/b/janjedenak.de/httpd.www/wp-content/plugins/iron-music/includes/widgets.php(1460): fwrd_music_get_option('videos_per_page')
#2 /customers/1/8/b/janjedenak.de/httpd.www/wp-includes/class-wp-widget-factory.php(61): Iron_Widget_Videos->__construct()
#3 /customers/1/8/b/janjedenak.de/httpd.www/wp-includes/widgets.php(115): WP_Widget_Factory->register('Iron_Widget_Vid...')
#4 /customers/1/8/b/janjedenak.de/httpd.www/wp-content/plugins/iron-music/includes/widgets.php(496): register_widget('Iron_Widget_Vid...')
#5 /customers/1/8/b/janjedenak.de/httpd.www/wp-includes/class-wp-hook.php(307): ironFeatures_widgets_init('')
#6 /customers/1/8/b/janjedenak.de/httpd.www/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array)
#7 /customers/1/8/b/janjedenak.de/httpd.www/wp-includes/plugin.php(476): WP_Hook->do_action(Array)
#8 /customers/1/8/b/janjedenak.de/httpd.www/wp-includes/widgets.php(1854): do_action('widgets_init')
#9 /customers/1/8/b/janjedenak.de/httpd.www/wp-includes/class-wp-hook.php(307): wp_widgets_init('')
#10 /customers/1/8/b/janjedenak.de/httpd.www/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array)
#11 /customers/1/8/b/janjedenak.de/httpd.www/wp-includes/plugin.php(476): WP_Hook->do_action(Array)
#12 /customers/1/8/b/janjedenak.de/httpd.www/wp-settings.php(598): do_action('init')
#13 /customers/1/8/b/janjedenak.de/httpd.www/wp-config.php(90): require_once('/customers/1/8/...')
#14 /customers/1/8/b/janjedenak.de/httpd.www/wp-load.php(50): require_once('/customers/1/8/...')
#15 /customers/1/8/b/janjedenak.de/httpd.www/wp-blog-header.php(13): require_once('/customers/1/8/...')
#16 /customers/1/8/b/janjedenak.de/httpd.www/index.php(17): require('/customers/1/8/...')
#17 {main}
  thrown in /customers/1/8/b/janjedenak.de/httpd.www/wp-content/plugins/iron-music/admin/options.php on line 1766