SharePoint Online limitation
Multi-Factor-Authentication cannot work when using classic authentication to SharePoint (user name and password)
In Fusion, you can instead use Web Login.
Microsoft recommends to use AppID/AppSecret authentication at all times for high volume data jobs like file migration and data migration/transformation.
|Here are some helpful links for creating an Office 365 AppID|
Need more help with this?
DON'T HESITATE TO CONTACT US HERE ..