game said is saved but logging back in it has no trace of my game save

Describe the issue
I saved the game and and i left the game 7 to 8 hours later I loaded the game back up and it gone

Expected behavior
the game saved and when I logged back on its there

To Reproduce
Steps to reproduce the behavior:

1. don't know how to do it again
   Additional context

• Game version: [Early access 0.4.3]
• playing on steam

no save file

We had an issue that UI did not wait for the file to be serialized to HDD. This was fix recently so should not happen again.