The issue is resolved now. djensen has informed me, that he freed up some space.
I have already tested it, and new savegames will be uploaded to the forum correctly as well as downloaded to the user’s harddrive.
It happens here and there. Most likely not a TripleA issue, but the webserver responding.
You also get this message when you are trying to send more than one posting during 15 sec using your browser.
If you guys wouldn’t mind, please move comments to the new thread. I’m not going to close this one because if you want to quote somebody else’s response and paste it into the new threads, I would like you to do that.