Feed rejected Error Code: InvalidMarketplace. Error Type: Sender

The error you receive: Feed rejected Error Code: InvalidMarketplace. Error Type: Sender

Description: In most cases, this error is connected to the status of your seller account on the Amazon marketplace. Please navigate to a seller central on your amazon marketplace and check your seller status (Settings > Account Info). 

It should be "Active". 

Example on the picture:

In certain cases, you can get both active and valid statuses but still can't export products.

In this case, we suggest adding products via the Amazon interface:

1) Catalog > Add Products

2) Select "I'm adding a product not sold on Amazon"

3) Choose one of the Amazon category using the category tree

In a regular situation, you should get a new page where you can enter your product details.

If there are any issues with your account configuration, you can see the following page:

Please try to "Reactivate Account" and if it does not help, contact Amazon seller support.