Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function "_wp_footnotes_kses_init" not found or invalid function name in /var/www/wynscale.dk/public_html/wp-includes/class-wp-hook.php:308 Stack trace: #0 /var/www/wynscale.dk/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #1 /var/www/wynscale.dk/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #2 /var/www/wynscale.dk/public_html/wp-includes/pluggable.php(48): do_action('set_current_use...') #3 /var/www/wynscale.dk/public_html/wp-includes/user.php(3606): wp_set_current_user(0) #4 /var/www/wynscale.dk/public_html/wp-includes/pluggable.php(70): _wp_get_current_user() #5 /var/www/wynscale.dk/public_html/wp-includes/pluggable.php(1148): wp_get_current_user() #6 /var/www/wynscale.dk/public_html/wp-content/plugins/really-simple-ssl/security/wordpress/user-enumeration.php(30): is_user_logged_in() #7 /var/www/wynscale.dk/public_html/wp-content/plugins/really-simple-ssl/security/integrations.php(139): require_once('/var/www/wynsca...') #8 /var/www/wynscale.dk/public_html/wp-includes/class-wp-hook.php(308): rsssl_integrations('') #9 /var/www/wynscale.dk/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #10 /var/www/wynscale.dk/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #11 /var/www/wynscale.dk/public_html/wp-settings.php(480): do_action('plugins_loaded') #12 /var/www/wynscale.dk/public_html/wp-config.php(99): require_once('/var/www/wynsca...') #13 /var/www/wynscale.dk/public_html/wp-load.php(50): require_once('/var/www/wynsca...') #14 /var/www/wynscale.dk/public_html/wp-blog-header.php(13): require_once('/var/www/wynsca...') #15 /var/www/wynscale.dk/public_html/index.php(17): require('/var/www/wynsca...') #16 {main} thrown in /var/www/wynscale.dk/public_html/wp-includes/class-wp-hook.php on line 308