This likely means that the Library.csv file is corrupted in some way.
>Go to your file browser
>Type %localappdata% in the address bar and hit enter
>Look for the folder called "liliths_lair" and delete any files in there EXCEPT for "data.ini" (that's your save).
Might wanna delete and redownload the game as well for good measure, make sure to download version 1.0.6
Sorry for the inconvenience!