When attempting to run an action with Sharegate, the following message appears:
An unexpected error occurred...
This error can cover a broad range of issues, and there is no way to easily pinpoint its exact cause.
Contact our support team and let them know:
1. The full message.
2. The error code.
3. The action you were running when you encountered the error.
They will be happy to help and collect the information needed to resolve your issue.