"AuthToken is not valid for SellerID and AWSAccountID"

Your MWS Auth Token allows you to sell on Amazon. If you have already created a storefront and linked your amazon.com account in ecomdash, you can add this by going to Administration-->Storefronts-->Amazon Storefront Details. 

If you do not have a storefront created in ecomdash for amazon.com, follow these steps to set get your MWS Auth Token: 

Amazon US

• Navigate to https://developer.amazonservices.com, and click on "Sign up for MWS"
• Enter your Amazon seller account username and password, and click on "Sign In"
• Select the 3rd option: "I want to give a developer access to my Amazon seller account with MWS". 
• Enter the Developer Name: ecomdash, and the Developer Account Number: 3760-0602-3565
• Click "Submit", and copy the Seller ID, Marketplace ID, and the MWS Auth Token, and enter them in the above fields. 

Amazon Canada (CA)

1. Navigate to https://developer.amazonservices.ca and click on "Sign up for MWS"
2. Enter your Amazon seller account username and password and click on "Sign in"
3. Select the 3rd option: I want to give a developer access to my Amazon seller account with MWS
4. Enter the Developer Name: ecomdash - ca and Developer Account Number: 5423-8658-4614
5. Click Submit and copy the Seller ID, Marketplace ID and the MWS Auth Token and enter them in the below fields

Amazon Germany (DE)

1. Navigate to https://developer.amazonservices.de and click on "Sign up for MWS"
2. Enter your Amazon seller account username and password and click on "Sign in"
3. Select the 3rd option: I want to give a developer access to my Amazon seller account with MWS
4. Enter the Developer Name: ecomdash - de and Developer Account Number: 7165-6121-9507
5. Click Submit and copy the Seller ID, Marketplace ID and the MWS Auth Token and enter them in the below fields

Amazon Spain (ES)

1. Navigate to https://developer.amazonservices.es and click on "Sign up for MWS"
2. Enter your Amazon seller account username and password and click on "Sign in"
3. Select the 3rd option: I want to give a developer access to my Amazon seller account with MWS
4. Enter the Developer Name: ecomdash - es and Developer Account Number: 7165-6121-9507
5. Click Submit and copy the Seller ID, Marketplace ID and the MWS Auth Token and enter them in the below fields

Amazon France (FR)

1. Navigate to https://developer.amazonservices.fr and click on "Sign up for MWS"
2. Enter your Amazon seller account username and password and click on "Sign in"
3. Select the 3rd option: I want to give a developer access to my Amazon seller account with MWS
4. Enter the Developer Name: ecomdash - fr and Developer Account Number: 7165-6121-9507
5. Click Submit and copy the Seller ID, Marketplace ID and the MWS Auth Token and enter them in the below fields

Amazon India (IN)

1. Navigate to https://developer.amazonservices.in and click on "Sign up for MWS"
2. Enter your Amazon seller account username and password and click on "Sign in"
3. Select the 3rd option: I want to give a developer access to my Amazon seller account with MWS
4. Enter the Developer Name: ecomdash - in and Developer Account Number: 7165-6121-9507
5. Click Submit and copy the Seller ID, Marketplace ID and the MWS Auth Token and enter them in the below fields

Amazon Italy (IT)

1. Navigate to https://developer.amazonservices.it and click on "Sign up for MWS"
2. Enter your Amazon seller account username and password and click on "Sign in"
3. Select the 3rd option: I want to give a developer access to my Amazon seller account with MWS
4. Enter the Developer Name: ecomdash - it and Developer Account Number: 7165-6121-9507
5. Click Submit and copy the Seller ID, Marketplace ID and the MWS Auth Token and enter them in the below fields

Amazon United Kingdom (UK)

1. Navigate to https://developer.amazonservices.co.uk and click on "Sign up for MWS"
2. Enter your Amazon seller account username and password and click on "Sign in"
3. Select the 3rd option: I want to give a developer access to my Amazon seller account with MWS
4. Enter the Developer Name: ecomdash - uk and Developer Account Number: 7165-6121-9507
5. Click Submit and copy the Seller ID, Marketplace ID and the MWS Auth Token and enter them in the below fields