Full error name: “Auth token is invalid, need help? Auth token is hard expired, User needs to generate a new token for this application“
April 22, 2023
This is a very common error, meaning your authorization token expired and you need to restore the connection between eBay and Nembol.
If the first method doesn’t work, it means you need to grant access to Nembol again if you want to restore the connection.
To do it, do the following: