Amazon implemented restrictions on their Product Advertising API which allows you to use the Product Advertising API based on the number of sales you drive as an Amazon affiliate.
If this is happening, please make sure you have both EasyAzon Core and EasyAzon Pro installed, as both are required for full functionality.
There may be two possibilities as to why this is the case. We'll tell you what they are here!
Please watch our instruction video.
A workaround would be to insert any item, then replace that items ASIN code with the Amazon Prime ASIN code, which is B00DBYBNEE.