The Player.log and Player-prev.log files may contain information about issues with your game sessions, and are very useful for us to trouble shoot any problems you might be seeing.
You can find these logs by following these steps:
1. Open Finder
2. Press the ⌘ + Shift + G hotkey to open the Go To Folder window
3. In the address bar, type or paste "~/Library/Logs/Monomi Park/Slime Rancher/Player.log" without the quotes in the search field and press the Go key
4. Upload / attach these files to your Support Ticket which you can send by selecting the option to submit a request in the top right of this screen.