first time starting, flightGear encountered a problem

Process: FlightGear [82894]
Path: /Applications/FlightGear.app/Contents/MacOS/FlightGear
Identifier: org.flightgear.FlightGear
Version: ???
Code Type: X86-64 (Native)
Parent Process: ??? [1]
Responsible: FlightGear [82894]
User ID: 501

Date/Time: 2015-03-02 09:04:01.890 -0800
OS Version: Mac OS X 10.10.2 (14C109)
Report Version: 11
Anonymous UUID: AC452452-4B82-478C-5E50-085342DBBB0D

Sleep/Wake UUID: 089FE227-6B7B-40C4-A210-F28C62D56A43

Time Awake Since Boot: 670000 seconds
Time Since Wake: 3700 seconds

Crashed Thread: 0

Exception Type: EXC_BREAKPOINT (SIGTRAP)
Exception Codes: 0x0000000000000002, 0x0000000000000000

Application Specific Information:
dyld: launch, loading dependent libraries

Dyld Error Message:
Library not loaded: /System/Library/Frameworks/RubyCocoa.framework/Versions/A/RubyCocoa
Referenced from: /Applications/FlightGear.app/Contents/MacOS/FlightGear
Reason: image not found

Binary Images:
0x7fff65b7c000 - 0x7fff65bb2837 dyld (353.2.1) <65DCCB06-339C-3E25-9702-600A28291D0E> /usr/lib/dyld
0x7fff9416b000 - 0x7fff9416bfff com.apple.Cocoa (6.8 - 21) <EAC0EA1E-3C62-3B28-A941-5D8B1E085FF8> /System/Library/Frameworks/Cocoa.framework/Versions/A/Cocoa

Model: MacBookAir6,1, BootROM MBA61.0099.B18, 2 processors, Intel Core i5, 1.3 GHz, 4 GB, SMC 2.12f143
Graphics: Intel HD Graphics 5000, Intel HD Graphics 5000, Built-In
Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1600 MHz, 0x02FE, 0x45424A3230554638454455302D474E2D4620
Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1600 MHz, 0x02FE, 0x45424A3230554638454455302D474E2D4620
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x117), Broadcom BCM43xx 1.0 (7.15.159.13.12)
Bluetooth: Version 4.3.2f6 15235, 3 services, 27 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en0
Serial ATA Device: APPLE SSD SD0256F, 251 GB
USB Device: BRCM20702 Hub
USB Device: Bluetooth USB Host Controller
Thunderbolt Bus: MacBook Air, Apple Inc., 23.6