Thank you for your post.
Since you are running Mac OS X 10.11.4, you must update to FileMaker Server 14.0.4b. See Knowledge Base Article #15844 for more information:
For information specific to FileMaker Server 14.0.4b, see Knowledge Base Article #15575:
If you still continue to crash after applying the update, please post the crash report up to and including the crashed thread.
Thanks. I’d tried applying the path a couple of times right after installing FileMaker Server 14 but the application locked up. I was finally able to apply it today on the second installation attempt after restarting the entire machine.