The “Amazon account authentication problem” error usually occurs when the Amazon account name entered in Easync does not match the account name displayed on Amazon.
In some cases, this issue may also trigger the following Amazon message:
Looks like you're new to Amazon.
To resolve this issue, check the Amazon account name saved in Easync and make sure it matches the name displayed on your Amazon account.
Step 1: Open Fulfillment Accounts
Log in to your Easync account.
Navigate to Fulfillment Accounts.
Locate the Amazon account associated with the authentication error.
Step 2: Verify the Amazon Account Name
Carefully review the account name entered in Easync.
Compare it with the name displayed on the corresponding Amazon account to ensure that the information matches correctly.
Check every relevant value entered in the Fulfillment Accounts settings, paying particular attention to the Amazon account name.
If the name is incorrect, update it to match the information displayed on Amazon and save your changes.
Step 3: Try Again
After verifying and correcting the account details, try processing the affected order again.
If the authentication error persists, further investigation may be required.
Step 4: Contact Support
If you have verified that the Amazon account name is correct but the error continues to appear, please contact our support team.
We will review your account settings and help identify the cause of the authentication problem.
Summary
To resolve the “Amazon account authentication problem” error:
Open Fulfillment Accounts in Easync.
Locate the affected Amazon account.
Compare the account name in Easync with the name displayed on Amazon.
Correct any discrepancies and save your changes.
Retry the order.
If the issue persists, contact our support team for further assistance.
Important: Make sure the Amazon account details entered in Easync are accurate. If the error continues after you have verified the account name, contact support so we can investigate the issue further.