this makes sense now... i was trading with cobinhood a while ago and the trading software i was using dropped support for them. so i moved on a while ago. had to dig for their tweet https://twitter.com/Haasonline1/status/1132084848242200578
If you have funds sitting there, you can't withdraw it for now.
You have to wait until a little over a month and hope that they are still there by that time.