Fatal error: Uncaught ArgumentCountError: Too few arguments to function WP_Widget::__construct(), 0 passed in /srv/www/leneundpuenktchen/html/wordpress/wp-includes/class-wp-widget-factory.php on line 61 and at least 2 expected in /srv/www/leneundpuenktchen/html/wordpress/wp-includes/class-wp-widget.php on line 162

ArgumentCountError: Too few arguments to function WP_Widget::__construct(), 0 passed in /srv/www/leneundpuenktchen/html/wordpress/wp-includes/class-wp-widget-factory.php on line 61 and at least 2 expected in /srv/www/leneundpuenktchen/html/wordpress/wp-includes/class-wp-widget.php on line 162

Call Stack:
    0.0000     349768   1. {main}() /srv/www/leneundpuenktchen/html/wordpress/index.php:0
    0.0001     350400   2. require('/srv/www/leneundpuenktchen/html/wordpress/wp-blog-header.php') /srv/www/leneundpuenktchen/html/wordpress/index.php:17
    0.0001     350816   3. require_once('/srv/www/leneundpuenktchen/html/wordpress/wp-load.php') /srv/www/leneundpuenktchen/html/wordpress/wp-blog-header.php:13
    0.0001     351632   4. require_once('/srv/www/leneundpuenktchen/html/wordpress/wp-config.php') /srv/www/leneundpuenktchen/html/wordpress/wp-load.php:37
    0.0001     353552   5. require_once('/srv/www/leneundpuenktchen/html/wordpress/wp-settings.php') /srv/www/leneundpuenktchen/html/wordpress/wp-config.php:99
    0.0389    6278080   6. do_action($tag = 'init') /srv/www/leneundpuenktchen/html/wordpress/wp-settings.php:546
    0.0389    6278456   7. WP_Hook->do_action($args = [0 => '']) /srv/www/leneundpuenktchen/html/wordpress/wp-includes/plugin.php:478
    0.0389    6278456   8. WP_Hook->apply_filters($value = '', $args = [0 => '']) /srv/www/leneundpuenktchen/html/wordpress/wp-includes/class-wp-hook.php:311
    0.0426    6273040   9. wp_widgets_init('') /srv/www/leneundpuenktchen/html/wordpress/wp-includes/class-wp-hook.php:287
    0.0433    6301880  10. do_action($tag = 'widgets_init') /srv/www/leneundpuenktchen/html/wordpress/wp-includes/widgets.php:1773
    0.0433    6302256  11. WP_Hook->do_action($args = [0 => '']) /srv/www/leneundpuenktchen/html/wordpress/wp-includes/plugin.php:478
    0.0433    6302256  12. WP_Hook->apply_filters($value = '', $args = [0 => '']) /srv/www/leneundpuenktchen/html/wordpress/wp-includes/class-wp-hook.php:311
    0.0433    6303384  13. mycategoryorder_widgets_init('') /srv/www/leneundpuenktchen/html/wordpress/wp-includes/class-wp-hook.php:287
    0.0433    6303384  14. register_widget($widget = 'mycategoryorder_Widget') /srv/www/leneundpuenktchen/html/wordpress/wp-content/plugins/my-category-order/mycategoryorder.php:473
    0.0433    6303384  15. WP_Widget_Factory->register($widget = 'mycategoryorder_Widget') /srv/www/leneundpuenktchen/html/wordpress/wp-includes/widgets.php:115
    0.0433    6303576  16. WP_Widget->__construct($id_base = ???, $name = ???, $widget_options = ???, $control_options = ???) /srv/www/leneundpuenktchen/html/wordpress/wp-includes/class-wp-widget-factory.php:61