Fatal error: Uncaught Error: Call to undefined function register_api_field() in /wp-content/plugins/angularjs-for-wp/plugin.php:95 Stack trace: #0 /wp-includes/class-wp-hook.php(308): WordPressAngularJS->post_add_tax_register(Object(WP_REST_Server)) #1 /wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #2 /wp-includes/plugin.php(517): WP_Hook->do_action(Array) #3 /wp-includes/rest-api.php(577): do_action('rest_api_init', Object(WP_REST_Server)) #4 /wp-includes/rest-api.php(403): rest_get_server() #5 /wp-includes/class-wp-hook.php(308): rest_api_loaded(Object(WP)) #6 /wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters('', Array) #7 /wp-includes/plugin.php(565): WP_Hook->do_action(Array) #8 /wp-includes/class-wp.php(399): do_action_ref_array('parse_request', Array) #9 /wp-includes/class-wp.php(780): WP->parse_request('') #10 /wp-includes/functions.php(1332): WP->main('') #11 /wp-blog-header.php(16): wp() #12 /index.php(17): require('/wp-blog-header...') #13 {main} thrown in /wp-content/plugins/angularjs-for-wp/plugin.php on line 95