public static function getSkuPostId($skuMetaId) {
        global $wpdb;

        $sku_table = usces_get_tablename('usces_skus');
        $postId = (int)$wpdb->get_var(
            $wpdb->prepare(
                "SELECT post_id FROM {$sku_table} WHERE meta_id = %d",
                $skuMetaId
            )
        );
        if ($postId < 1) {
            return Master::getErrorStore()->getErrorResponse(
                ErrorStore::SKU_NOT_FOUND,
                [$skuMetaId],
                [],
                [$skuMetaId]
            );
        }

        return $postId;
    }