Yes, that is odd.
The latest troubleshooting forf mac's as far as I know:
http://kb2.adobe.com/cps/822/cpsid_82252.html
Troubleshoot system errors and freezes | Adobe software on Mac OS 10.x
Be sure you are doing all the administrator/rights things.
I would consider a reinstall.
You might also post a mediainfo screenshot of the Premiere exported h24 bluray you used.