Fatal error: Uncaught Error: Call to undefined function wp_is_serving_rest_request() in /homepages/13/d610648030/htdocs/clickandbuilds/CJLaser403059/wp-includes/rest-api.php:3413 Stack trace: #0 /homepages/13/d610648030/htdocs/clickandbuilds/CJLaser403059/wp-includes/script-loader.php(2590): wp_is_rest_endpoint() #1 /homepages/13/d610648030/htdocs/clickandbuilds/CJLaser403059/wp-includes/blocks/index.php(29): wp_should_load_separate_core_block_assets() #2 /homepages/13/d610648030/htdocs/clickandbuilds/CJLaser403059/wp-includes/class-wp-hook.php(324): register_core_block_style_handles() #3 /homepages/13/d610648030/htdocs/clickandbuilds/CJLaser403059/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters() #4 /homepages/13/d610648030/htdocs/clickandbuilds/CJLaser403059/wp-includes/plugin.php(517): WP_Hook->do_action() #5 /homepages/13/d610648030/htdocs/clickandbuilds/CJLaser403059/wp-settings.php(695): do_action() #6 /homepages/13/d610648030/htdocs/clickandbuilds/CJLaser403059/wp-config.php(106): require_once('/homepages/13/d...') #7 /homepages/13/d610648030/htdocs/clickandbuilds/CJLaser403059/wp-load.php(50): require_once('/homepages/13/d...') #8 /homepages/13/d610648030/htdocs/clickandbuilds/CJLaser403059/wp-blog-header.php(13): require_once('/homepages/13/d...') #9 /homepages/13/d610648030/htdocs/clickandbuilds/CJLaser403059/index.php(17): require('/homepages/13/d...') #10 {main} thrown in /homepages/13/d610648030/htdocs/clickandbuilds/CJLaser403059/wp-includes/rest-api.php on line 3413