ators: %s: Taxonomy name. */
				'description' => __( 'Limit result set to items except those with specific terms assigned in the %s taxonomy.' ),
			),
			$limit_schema
		);

		foreach ( $taxonomies as $taxonomy ) {
			$base         = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name;
			$base_exclude = $base . '_exclude';

			$query_params[ $base ]                = $include_schema;
			$query_params[ $base ]['description'] = sprintf( $query_params[ $base ]['description'], $base );

			$query_params[ $base_exclude ]                = $exclude_schema;
			$query_params[ $base_exclude ]['description'] = sprintf( $query_params[ $base_exclude ]['description'], $base );

			if ( ! $taxonomy->hierarchical ) {
				unset( $query_params[ $base ]['oneOf'][1]['properties']['include_children'] );
				unset( $query_params[ $base_exclude ]['oneOf'][1]['properties']['include_children'] );
			}
		}

		return $query_params;
	}
}
<br />
<b>Fatal error</b>:  Uncaught Error: Class 'WP_REST_Posts_Controller' not found in /home/mrfilame/public_html/wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php:17
Stack trace:
#0 /home/mrfilame/public_html/wp-settings.php(257): require()
#1 /home/mrfilame/public_html/wp-config.php(96): require_once('/home/mrfilame/...')
#2 /home/mrfilame/public_html/wp-load.php(50): require_once('/home/mrfilame/...')
#3 /home/mrfilame/public_html/wp-blog-header.php(13): require_once('/home/mrfilame/...')
#4 /home/mrfilame/public_html/index.php(17): require('/home/mrfilame/...')
#5 {main}
  thrown in <b>/home/mrfilame/public_html/wp-includes/rest-api/endpoints/class-wp-rest-attachments-controller.php</b> on line <b>17</b><br />