In the Server Status Module you can see what is happening with the plugin and if there are any issues with the setup.

 

Here the Amazon Keys are verified, also the Affiliate IDs.

 

It shows the WP Memory Limit, if it’s in the right parameters or if you need to increase it (only done by the hosting company)

 

Also very important, it checks if the WooCommerce Pages were installed, especially the Cart and the Checkout Pages. They are mandatory!