Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, non-static method plugin_kontakt_frontend::init() cannot be called statically in /is/htdocs/wp12843273_3J1BTOON0F/www/mbsr.harden.de/wordpress/wp-includes/class-wp-hook.php:287
Stack trace:
#0 /is/htdocs/wp12843273_3J1BTOON0F/www/mbsr.harden.de/wordpress/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array)
#1 /is/htdocs/wp12843273_3J1BTOON0F/www/mbsr.harden.de/wordpress/wp-includes/plugin.php(484): WP_Hook->do_action(Array)
#2 /is/htdocs/wp12843273_3J1BTOON0F/www/mbsr.harden.de/wordpress/wp-settings.php(557): do_action('init')
#3 /is/htdocs/wp12843273_3J1BTOON0F/www/mbsr.harden.de/wordpress/wp-config.php(88): require_once('/is/htdocs/wp12...')
#4 /is/htdocs/wp12843273_3J1BTOON0F/www/mbsr.harden.de/wordpress/wp-load.php(37): require_once('/is/htdocs/wp12...')
#5 /is/htdocs/wp12843273_3J1BTOON0F/www/mbsr.harden.de/wordpress/wp-blog-header.php(13): require_once('/is/htdocs/wp12...')
#6 /is/htdocs/wp12843273_3J1BTOON0F/www/mbsr.harden.de/wordpress/index.php(17): require('/is/htdocs/wp12...')
#7 {main}
thrown in /is/htdocs/wp12843273_3J1BTOON0F/www/mbsr.harden.de/wordpress/wp-includes/class-wp-hook.php on line 287
WordPress › Fehler