Error Message: The layered earth has encountered a problem and may need to shut down. Would you like to send the error information to simulation curriculum to help?

Problem: You are missing the Java SE 6 Runtime on OS X

Solution: (Re)install Java SE 6 Runtime from this link from Apple

https://support.apple.com/kb/dl1572?locale=en_US

If this does not work please submit a ticket request for assistance.