The issue has been resolved and all pending disputes have been submitted.
Posted Jan 25, 2018 - 01:21 UTC
As of 2018-01-24 20:29 UTC Stripe's API for uploading documents has been failing and Stripe is actively working on a fix. Any failed requests through our system will be re-run and submitted once it is working again.
Posted Jan 24, 2018 - 23:28 UTC
We are currently having issues uploading documents to Stripe's API. We are investigating the issue.