For your store to work and deliver items to your server, you must have the PlayerLands plugin in your plugins folder for your server. If you don't, your players will not be able to receive their items. You also need to make sure you have the right PlayerLands plugin for your server installed.

You can access the PlayerLands plugins by going to one of your stores, and clicking ‘Plugins’ in the navigation bar. Here you will be presented the PlayerLands plugins which you need to download and place in your plugins folder, simply click the image of the plugin you want and it will automatically download. Make sure to choose the right plugin for your server, or the plugin will not work.