Internal Server Error for connecting to F-Droid Repo

Device OS and version: Replicant, current
Device model/manufacturer: Samsung Galaxy S2
F-Droid version (in the About screen): 1.0.3
F-Droid privileged extension version (if installed):
No

What did you do? (clear steps if possible)

Try connect to the repo, started F-Droid

What did you expect to see?

A screen with the newest apps

What did you see instead?

Nothing. On sunday: Connection refused. And after that a black screen. Checked in my laptop browser https://f-droid.org/repo/ and I got:

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at support@acge.com to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.

Thank you very much in advance!

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information