[f=0010723] Warning: [BufferedArchive::GetFile(fid=4999)][!vfsCache] name=Z:\Programs\Steam\steamapps\common\Zero-K\games\zk-stable.sdz ret=-1 size=0
[f=0010724] Error: could not load model "correap_dead.s3o" (reason: [S3OParser] corrupted header for model-file objects3d/correap_dead.s3o)
[f=0010729] [Game::ClientReadNet][LOGMSG] sender="grafvonzan" string="could not load model "correap_dead.s3o" (reason: [S3OParser] corrupted header for model-file objects3d/correap_dead.s3o)"
[f=0011415] Sync error for grafvonzan in frame 11410 (got 6d82c0ff, correct is 809b9aa1)
Looks like corrupt game data to me. Specifically, the Minotaur wreckage model. I suppose the thing to try would be to see if you regularly get desyncs after a Minotaur is destroyed.