Attempted to migrate mail from one entity to ours and getting errors."Exception calling "GetSteppablePipeline" with "1" argument(s): "Exception calling "PromptForCredential" (4331907)

Attempted to migrate mail from one entity to ours and getting errors. Need some assistance with this

Exception calling "GetSteppablePipeline" with "1" argument(s): "Exception calling "PromptForCredential" with "4" argument(s): "A command that prompts the user failed because the host program or the command type does not support user interaction. The host was attempting to request confirmation with the following message: Enter your credentials for https://domain.com/powershell.""

Diabled multifactor authentication (MFA) for the service accounts (btpowershell...) used by our product.

Run the sync migration again

If MFA is disabled then this is related to throttling. Please contact Microsoft to resolve or reduce the batch size for the number of syncs being performed.