Fatal error: Uncaught Error: Class 'WP_Site_Health' not found in /home/customer/www/hvacschoolforum.com/public_html/wp-includes/rest-api.php:337 Stack trace: #0 /home/customer/www/hvacschoolforum.com/public_html/wp-includes/class-wp-hook.php(303): create_initial_rest_routes(Object(WP_REST_Server)) #1 /home/customer/www/hvacschoolforum.com/public_html/wp-includes/class-wp-hook.php(327): WP_Hook->apply_filters(NULL, Array) #2 /home/customer/www/hvacschoolforum.com/public_html/wp-includes/plugin.php(470): WP_Hook->do_action(Array) #3 /home/customer/www/hvacschoolforum.com/public_html/wp-includes/rest-api.php(537): do_action('rest_api_init', Object(WP_REST_Server)) #4 /home/customer/www/hvacschoolforum.com/public_html/wp-includes/rest-api.php(109): rest_get_server() #5 /home/customer/www/hvacschoolforum.com/public_html/wp-content/themes/qaengine-child/lib/rest-api.php(26): register_rest_route('jwt-auth/v1', '/token', Array) #6 /home/customer/www/hvacschoolforum.com/public_html/wp-content/themes/qaengine-child/lib/rest-api.php in /home/customer/www/hvacschoolforum.com/public_html/wp-includes/rest-api.php on line 337