Investigated this further and the problem seems to be resolved itself by
• moving blueprint-storage-2.dat to a backup location, and
• loading the game with blueprint steam cloud sync disabled.

After exiting the game I restored the blueprint-storage-2.dat and reenabled steam cloud sync and ...

Now I tried factorio 2.0.44 again with the blueprint-storage-2.dat deleted, because I figured I could restore most of it from the saves anyway.

The problem is that I still can't load any saved game or start a new game either; both result in a similar crash (EntityWithOwner.cpp:63: qualityID was ...

I went to my sandbox save (labor) to edit edit a ship (named Pin/Hairpin) and save a new blueprint. Then tried to load my main save (masaq) when the game crashed. This happened with 2.0.43, no matter if I tried to load labor or masaq, therefore I switched to beta/2.0.44 where the problem still ...

Sorry, I missed the search bar. Thank you.

In Factorio 1.0 it used to be possible to type the first letter of a save game (or maybe it was incremental, can't remember) to jump to the first save with that letter. It doesn't seem to work in 1.1.3.

The same crash seems to happen also with 1.1.3.

When loading the map

https://drive.google.com/file/d/1OlozOH_bI86IeLRO7cMv1T6umiFQwfHy/view?usp=sharing

Factorio crashes at the end of the loading process or after 1-2 ticks.

The map is not mine, I found it here: https://www.reddit.com/r/factorio/comments/i91l61/segmented_railworld_megabase ...