Fatal error: Uncaught ArgumentCountError: Too few arguments to function WP_Widget::__construct(), 0 passed in /home/laboratory/domains/laboratoryjnie.pl/public_html/wp-includes/class-wp-widget-factory.php on line 62 and at least 2 expected in /home/laboratory/domains/laboratoryjnie.pl/public_html/wp-includes/class-wp-widget.php:163 Stack trace: #0 /home/laboratory/domains/laboratoryjnie.pl/public_html/wp-includes/class-wp-widget-factory.php(62): WP_Widget->__construct() #1 /home/laboratory/domains/laboratoryjnie.pl/public_html/wp-includes/widgets.php(115): WP_Widget_Factory->register() #2 /home/laboratory/domains/laboratoryjnie.pl/public_html/wp-content/plugins/widgets-in-columns/widgets-in-columns.php(134): register_widget() #3 /home/laboratory/domains/laboratoryjnie.pl/public_html/wp-includes/class-wp-hook.php(324): Widgets_in_Columns->widgets_init() #4 /home/laboratory/domains/laboratoryjnie.pl/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #5 /home/laboratory/domains/laboratoryjnie.pl/public_html/wp-includes/plugin.php(517): WP_Hook->do_action() #6 /home/laboratory/domains/laboratoryjnie.pl/public_html/wp-includes/widgets.php(1858): do_action() #7 /home/laboratory/domains/laboratoryjnie.pl/public_html/wp-includes/class-wp-hook.php(324): wp_widgets_init() #8 /home/laboratory/domains/laboratoryjnie.pl/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #9 /home/laboratory/domains/laboratoryjnie.pl/public_html/wp-includes/plugin.php(517): WP_Hook->do_action() #10 /home/laboratory/domains/laboratoryjnie.pl/public_html/wp-settings.php(643): do_action() #11 /home/laboratory/domains/laboratoryjnie.pl/public_html/wp-config.php(96): require_once('/home/laborator...') #12 /home/laboratory/domains/laboratoryjnie.pl/public_html/wp-load.php(50): require_once('/home/laborator...') #13 /home/laboratory/domains/laboratoryjnie.pl/public_html/wp-blog-header.php(13): require_once('/home/laborator...') #14 /home/laboratory/domains/laboratoryjnie.pl/public_html/index.php(17): require('/home/laborator...') #15 {main} thrown in /home/laboratory/domains/laboratoryjnie.pl/public_html/wp-includes/class-wp-widget.php on line 163
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