If we've lost permissions for the ManageByStats user you created in your Amazon Seller Central, or the permissions are incomplete, you'll see a message like this when you log into your ManageByStats:
Following are the permissions needed. Check the ManageByStats user and confirm these permissions.
To find the ManageByStats user in question, in your ManageByStats go to:
Settings > Seller Accounts
and look here:
NOTE: THE ABOVE EXAMPLE, "US58@MANAGEBYSTATS.COM", IS AN EXAMPLE ONLY. YOUR USER EMAIL WILL LIKELY BE DIFFERENT.
Find your User Email and look for that user in your Amazon Seller Central under:
Settings > User Permissions
Find the user, click the Manage Permissions button and check/add the following.
In the Orders section select “View & Edit” for Transactions:
In the Reports section, select “View & Edit” for Business Reports, Sales Summary.
Then, also in the Reports section, select “View & Edit” for Payments.