Fatal error: Uncaught Error: Class 'WP_Widget' not found in /home/clmepl5/public_html/web/app/plugins/regional-contact-database/vendor/htmlburger/carbon-fields/core/Widget/Widget.php:13
Stack trace:
#0 {main}
thrown in /home/clmepl5/public_html/web/app/plugins/regional-contact-database/vendor/htmlburger/carbon-fields/core/Widget/Widget.php on line 13