Logic Pro X - File won't open after 8 hours of work

Hello, I just got a new laptop with Logic Pro X, and worked on a file for 8 hours, but it won't open anymore. Initially, I got an error message that audio files were not found in their expected location, but I restored some files, and then the file opened as a blank "event list". Now, the file only opens like this:

Please help! Any suggestions welcome.