Whenever I try to upload a large file I get the following error, I have the necessary space and I am under the limit of the upload size.
Hi there 
We’ve encountered some cases where a routing issue on the connection can result in this behaviour.
Could I please ask if you are able to test with a different connection (such as mobile tethering instead of home internet) or with a VPN enabled?
I’ve confirmed that the asset upload service is functional, so I suspect that the issue is happening somewhere between the upload and the server.