iwork 09 installation error

iWork installs successfully but then when I try to open it, I get the following

Process: Numbers [1131]

Path: /Applications/iWork '09/Numbers.app/Contents/MacOS/Numbers

Identifier: com.apple.iWork.Numbers

Version: ??? (???)

Build Info: Numbers-3320000~94

Code Type: X86 (Native)

Parent Process: launchd [95]

Date/Time: 2014-08-16 22:52:55.837 -0500

OS Version: Mac OS X 10.6.8 (10K549)

Report Version: 6

Interval Since Last Report: 979 sec

Crashes Since Last Report: 2

Per-App Crashes Since Last Report: 2

Anonymous UUID: BBC6547A-7A15-4D72-940E-1596282B18F8

Exception Type: EXC_BREAKPOINT (SIGTRAP)

Exception Codes: 0x0000000000000002, 0x0000000000000000

Crashed Thread: 0

Dyld Error Message:

Library not loaded: @rpath/Inventor.framework/Versions/C/Inventor

Referenced from: /Library/Application Support/iWork '09/Frameworks/SFCompatibility.framework/Versions/A/SFCompatibility

Reason: image not found

Binary Images:

0x8fe00000 - 0x8fe4163b dyld 132.1 (???) <4CDE4F04-0DD6-224E-ACE5-3C06E169A801> /usr/lib/dyld

Model: iMac7,1, BootROM IM71.007A.B03, 2 processors, Intel Core 2 Duo, 2.4 GHz, 3 GB, SMC 1.20f4

Graphics: ATI Radeon HD 2600 Pro, ATI,RadeonHD2600, PCIe, 256 MB

Memory Module: global_name

AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x88), Broadcom BCM43xx 1.0 (5.10.131.42.4)

Bluetooth: Version 2.4.5f3, 2 service, 12 devices, 1 incoming serial ports

Network Service: AirPort, AirPort, en1

Serial ATA Device: WDC WD3200AAJS-40VWA0, 298.09 GB

Parallel ATA Device: MATSHITADVD-R UJ-875, 557.1 MB

USB Device: Built-in iSight, 0x05ac (Apple Inc.), 0x8502, 0xfd400000 / 2

USB Device: Keyboard Hub, 0x05ac (Apple Inc.), 0x1006, 0xfa400000 / 2

USB Device: USB Receiver, 0x046d (Logitech Inc.), 0xc52b, 0xfa430000 / 4

USB Device: Apple Keyboard, 0x05ac (Apple Inc.), 0x0220, 0xfa420000 / 3

USB Device: IR Receiver, 0x05ac (Apple Inc.), 0x8242, 0x5d100000 / 2

USB Device: Bluetooth USB Host Controller, 0x05ac (Apple Inc.), 0x8206, 0x1a100000 / 2