Fatal error: Uncaught Error: Call to undefined function wp_use_widgets_block_editor() in /home/etc-eikaiwa/www/etc-eikaiwa.com/wp-content/plugins/widget-options/includes/widgets/gutenberg/gutenberg-toolbar.php:160 Stack trace: #0 /home/etc-eikaiwa/www/etc-eikaiwa.com/wp-content/plugins/widget-options/plugin.php(276): require_once() #1 /home/etc-eikaiwa/www/etc-eikaiwa.com/wp-content/plugins/widget-options/plugin.php(60): WP_Widget_Options->setup_widget_block_editor() #2 /home/etc-eikaiwa/www/etc-eikaiwa.com/wp-content/plugins/widget-options/plugin.php(300): WP_Widget_Options::instance() #3 /home/etc-eikaiwa/www/etc-eikaiwa.com/wp-content/plugins/widget-options/plugin.php(307): WIDGETOPTS() #4 /home/etc-eikaiwa/www/etc-eikaiwa.com/wp-settings.php(391): include_once('/home/etc-eikai...') #5 /home/etc-eikaiwa/www/etc-eikaiwa.com/wp-config.php(97): require_once('/home/etc-eikai...') #6 /home/etc-eikaiwa/www/etc-eikaiwa.com/wp-load.php(37): require_once('/home/etc-eikai...') #7 /home/etc-eikaiwa/www/etc-eikaiwa.com/wp-blog-hea in /home/etc-eikaiwa/www/etc-eikaiwa.com/wp-content/plugins/widget-options/includes/widgets/gutenberg/gutenberg-toolbar.php on line 160