Fatal error: Uncaught Error: Call to undefined function add_action() in /home/microm13/public_html/beta/techcity/wp-admin/includes/class-wp-site-icon.php:76
Stack trace:
#0 /home/microm13/public_html/beta/techcity/wp-admin/includes/class-wp-site-icon.php(247): WP_Site_Icon->__construct()
#1 {main}
thrown in /home/microm13/public_html/beta/techcity/wp-admin/includes/class-wp-site-icon.php on line 76