Hello, sorry to see you have this issue. First could you try verifying game files, as shown here - https://support.sega.com/hc/en-gb/articles/9997753543185
Next, could you try removing your cache and preferences folder, as shown here - https://support.sega.com/hc/en-gb/articles/9997644231185
If it's still not working could up send us any crash dumps you have.
Crash Dumps can be found here - C:\Users\Your Windows Username\Documents\Sports Interactive\Football Manager 2023\crash dumps
Hope this helps.