We are aware of an issue where the client may crash due to conflict with your Mac OS Computer Name. The developers are working on a resolution to this issue. To work around the error, you can change the name of your computer. Further updates can be found in this thread as they become available.
- On Mac Apple menu, go to System Preferences/Sharing
- Change Computer Name to something different.
- Click on Edit and then Okay.
- Close Preferences window.
- Test game again.