Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, non-static method Rec_Widget::Register() cannot be called statically in /web/mc210214/tokajnobilis.hu/wp-includes/class-wp-hook.php:324 Stack trace: #0 /web/mc210214/tokajnobilis.hu/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #1 /web/mc210214/tokajnobilis.hu/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #2 /web/mc210214/tokajnobilis.hu/wp-settings.php(550): do_action('plugins_loaded') #3 /web/mc210214/tokajnobilis.hu/wp-config.php(97): require_once('/web/mc210214/t...') #4 /web/mc210214/tokajnobilis.hu/wp-load.php(50): require_once('/web/mc210214/t...') #5 /web/mc210214/tokajnobilis.hu/wp-blog-header.php(13): require_once('/web/mc210214/t...') #6 /web/mc210214/tokajnobilis.hu/index.php(17): require('/web/mc210214/t...') #7 {main} thrown in /web/mc210214/tokajnobilis.hu/wp-includes/class-wp-hook.php on line 324