More bug fixes.
Perhaps I expressed myself in little detail, I know about preservation.
The question is what will happen after saving the project, that is, will there be little worms of problems inside the project, after continuing the work of the saved project that was broken?
It's difficult to say because crashing means something unexpected happened, which could have unpredictable effects. It should be OK, but you should keep regular backups too, as you should with any digital work.