Fixes here are related to MiniZip, you may try extracting the save file into a directory using an external tool to try loading a save file when it does not load from zip, factorio supports loading unpacked save files. From that thread. Running from an unzipped folder works successfully for me. Than...

Too large for the forum so I put them here.

https://xana.sh/factorio/loop-miner-chu ... 2-1000.zip (5.1gb)
https://xana.sh/factorio/hyperdar-1_000.zip (4.4gb)

Large saves do not load correctly on Linux. Reproduced on multiple fresh games. Suspiciously works at least up to 3.6gb but not 4.4gb. uint32_t filesize? $ ./factorio/bin/x64/factorio --start-server $save 0.000 2024-03-31 23:50:20; Factorio 1.1.104 (build 62119, linux64, full) 0.010 Operating system...