When you start using Orderlytics for the first time with a existing (seasoned) Amazon account Amazon may insert account safeguards to protect your account. This can cause your Amazon orders to fail.
The cause...Amazon does not recognize Orderlytics as a trusted source. How to fix is to update/change your password at Amazon, then update Amazon account in Orderlytics with the new password.
Amazon will see the new password from Orderlytics and make it a trusted source.