Thanks for writing in! To know more about the import and export of the grid, please check this out:
There isn't a place where you can download the zip files. The plugin itself will connect to the Theme One (creator of the plugin) server. Please make sure that the connection to their server is not blocked.
To prevent the message "something went wrong unable to add" , we recommend that you increase your memory allocated to PHP. To increase it, please edit your wp-config.php file and insert these lines:
define( 'WP_MEMORY_LIMIT', '256M' );
define( 'WP_MAX_MEMORY_LIMIT', '512M' );
You can add it before the line
/*That's all, stop editing! Happy Blogging. */
We would loved to know if this has work for you. Thank you.