Fatal error: Uncaught Error: Call to undefined function wp_use_widgets_block_editor() in /home/klient.dhosting.pl/marketing8/interstal.pl/public_html/wp-content/plugins/widget-options/includes/widgets/gutenberg/gutenberg-toolbar.php:160 Stack trace: #0 /home/klient.dhosting.pl/marketing8/interstal.pl/public_html/wp-content/plugins/widget-options/plugin.php(289): require_once() #1 /home/klient.dhosting.pl/marketing8/interstal.pl/public_html/wp-content/plugins/widget-options/plugin.php(60): WP_Widget_Options->setup_widget_block_editor() #2 /home/klient.dhosting.pl/marketing8/interstal.pl/public_html/wp-content/plugins/widget-options/plugin.php(313): WP_Widget_Options::instance() #3 /home/klient.dhosting.pl/marketing8/interstal.pl/public_html/wp-content/plugins/widget-options/plugin.php(320): WIDGETOPTS() #4 /home/klient.dhosting.pl/marketing8/interstal.pl/public_html/wp-settings.php(391): include_once('/home/klient.dh...') #5 /home/klient.dhosting.pl/marketing8/interstal.pl/public_html/wp-config.php(91): require_once('/home in /home/klient.dhosting.pl/marketing8/interstal.pl/public_html/wp-content/plugins/widget-options/includes/widgets/gutenberg/gutenberg-toolbar.php on line 160