This also happens to me, same as reported above, same solutions work.

Deluge 1.3.15 running in docker on linux.

Any update on this, I'm trying to seed from a remote share mount (which works fine when it's running) but if there's a temporary network issue then deluge will mark them all as errored and need a full hash check on all the tiles to continue seeding. I can understand why this would be necessary for d...