If you're running an outdated version of Shift, you may come across the following error message:
Access blocked: Shift's request is invalid
You can't sign in because Shift sent an invalid request
Error 400: invalid_request
Solution: Update Shift
We know, we know, you're not into updates. We get it. In this case, you need to update so you can continue to use your emails in Shift. Click here to update to the latest version of Shift Ultra.
Find answers to other common questions and issues here.
Need further assistance? Get in touch with our support team here.