The error may arise, for example, if your credentials for eBay account were changed, and the linkage between M2E Pro and your eBay account was lost.
You need to reauthorize M2E Pro by navigating to eBay > Configuration > Account Configuration > General and clicking Get Token.
Was this article helpful?
That’s Great!
Thank you for your feedback
Sorry! We couldn't be helpful
Thank you for your feedback
Feedback sent
We appreciate your effort and will try to fix the article