Fatal error: Uncaught Error: Class "WP_Theme_JSON_Resolver_6_1" not found in /home/theinsightpartne/public_html/blog/wp-content/plugins/gutenberg/lib/experimental/class-wp-theme-json-resolver-gutenberg.php:18 Stack trace: #0 {main} thrown in /home/theinsightpartne/public_html/blog/wp-content/plugins/gutenberg/lib/experimental/class-wp-theme-json-resolver-gutenberg.php on line 18