Panic(cpu 0 caller 0xffffff7f80966007)

I can not understand why this error

• Interval Since Last Panic Report: 610335 sec
  Panics Since Last Report: 83
  Anonymous UUID: 6639DE18-5476-41E0-9551-27AD57627630
  Mon Jul 23 21:51:07 2018
  panic(cpu 0 caller 0xffffff7f80966007): NVRM[0/1:0:0]: Read Error 0x00000100: CFG 0xffffffff 0xffffffff 0xffffffff, BAR0 0xc0000000 0xffffff809fd6a000 0x0a5480a2, D0, P2/4
  Backtrace (CPU 0), Frame : Return Address
  0xffffff807bf7b060 : 0xffffff8000220792
  0xffffff807bf7b0e0 : 0xffffff7f80966007
  0xffffff807bf7b170 : 0xffffff7f80a5eb83
  0xffffff807bf7b1d0 : 0xffffff7f80a5ebf7
  0xffffff807bf7b240 : 0xffffff7f80d60855
  0xffffff807bf7b380 : 0xffffff7f80a82ddd
  0xffffff807bf7b3b0 : 0xffffff7f8096fd6a
  0xffffff807bf7b460 : 0xffffff7f8096b43c
  0xffffff807bf7b650 : 0xffffff7f8096bebe
  0xffffff807bf7b740 : 0xffffff7f81e8f617
  0xffffff807bf7b790 : 0xffffff7f81e8fa90
  0xffffff807bf7b7d0 : 0xffffff7f81e8e289
  0xffffff807bf7b800 : 0xffffff7f81e39e70
  0xffffff807bf7b820 : 0xffffff7f81e5a584
  0xffffff807bf7b850 : 0xffffff7f81e5a311
  0xffffff807bf7b8a0 : 0xffffff7f81e5a646
  0xffffff807bf7b8c0 : 0xffffff7f81e88666
  0xffffff807bf7b8f0 : 0xffffff7f81e8b498
  0xffffff807bf7b930 : 0xffffff7f81e472a1
  0xffffff807bf7baa0 : 0xffffff7f81e8bd6d
  0xffffff807bf7bb60 : 0xffffff7f81e44346
  0xffffff807bf7bbc0 : 0xffffff8000655f3e
  0xffffff807bf7bbe0 : 0xffffff800065681a
  0xffffff807bf7bc40 : 0xffffff8000656fbb
  0xffffff807bf7bd80 : 0xffffff80002a3f08
  0xffffff807bf7be80 : 0xffffff8000223096
  0xffffff807bf7beb0 : 0xffffff80002148a9
  0xffffff807bf7bf10 : 0xffffff800021bbd8
  0xffffff807bf7bf70 : 0xffffff80002aef10
  0xffffff807bf7bfb0 : 0xffffff80002daec3
  Kernel Extensions in backtrace:
  com.apple.NVDAResman(7.3.2)[97284661-2629-379E-B86B-D388618E8C30]@0xffffff7f808f f000->0xffffff7f80bfafff
  dependency: com.apple.iokit.IOPCIFamily(2.7)[5C23D598-58B2-3204-BC03-BC3C0F00BD32]@0xffffff 7f80889000
  dependency: com.apple.iokit.IONDRVSupport(2.3.4)[7C8672C4-8B0D-3CCF-A79A-23C62E90F895]@0xff ffff7f808ed000
  dependency: com.apple.iokit.IOGraphicsFamily(2.3.4)[D0A1F6BD-E66E-3DD8-9913-A3AB8746F422]@0 xffffff7f808b4000
  com.apple.nvidia.nv50hal(7.3.2)[38ACBB3D-4E3C-3883-9A4B-67F15592905F]@0xffffff7f 80bfb000->0xffffff7f80f1dfff
  dependency: com.apple.NVDAResman(7.3.2)[97284661-2629-379E-B86B-D388618E8C30]@0xffffff7f808 ff000
  dependency: com.apple.iokit.IOPCIFamily(2.7)[5C23D598-58B2-3204-BC03-BC3C0F00BD32]@0xffffff 7f80889000
  com.apple.GeForce(7.3.2)[7E1D7726-416F-3716-ACCB-E1E276E35002]@0xffffff7f81e3900 0->0xffffff7f81efbfff
  dependency: com.apple.NVDAResman(7.3.2)[97284661-2629-379E-B86B-D388618E8C30]@0xffffff7f808 ff000
  dependency: com.apple.iokit.IONDRVSupport(2.3.4)[7C8672C4-8B0D-3CCF-A79A-23C62E90F895]@0xff ffff7f808ed000
  dependency: com.apple.iokit.IOPCIFamily(2.7)[5C23D598-58B2-3204-BC03-BC3C0F00BD32]@0xffffff 7f80889000
  dependency: com.apple.iokit.IOGraphicsFamily(2.3.4)[D0A1F6BD-E66E-3DD8-9913-A3AB8746F422]@0 xffffff7f808b4000
  BSD process name corresponding to current thread: Finder
  Mac OS version:
  11G63
  Kernel version:
  Darwin Kernel Version 11.4.2: Thu Aug 23 16:25:48 PDT 2012; root:xnu-1699.32.7~1/RELEASE_X86_64
  Kernel UUID: FF3BB088-60A4-349C-92EA-CA649C698CE5
  System model name: MacBookPro6,2 (Mac-F22586C8)
  System uptime in nanoseconds: 2511127144463
  last loaded kext at 2150763850298: com.apple.filesystems.msdosfs 1.7.1 (addr 0xffffff7f80795000, size 57344)
  last unloaded kext at 213767356396: com.apple.driver.AppleUSBUHCI 5.1.0 (addr 0xffffff7f81751000, size 65536)
  loaded
• kexts:
  com.spsys.driver.IOKitDriver 1.0.1
  com.spsys.driver.NKEDriver 1
  com.vmware.kext.vmnet 3.0.0
  com.vmware.kext.vmioplug 3.0.0
  com.vmware.kext.vmci 3.0.0
  com.vmware.kext.vmx86 3.0.0
  com.apple.filesystems.msdosfs 1.7.1
  com.apple.driver.AppleHWSensor 1.9.5d0
  com.apple.driver.AudioAUUC 1.59
  com.apple.driver.AppleMikeyHIDDriver 122
  com.apple.driver.AppleHDA 2.2.5a5
  com.apple.driver.AppleUpstreamUserClient 3.5.9
  com.apple.driver.AppleMikeyDriver 2.2.5a5
  com.apple.driver.AGPM 100.12.75
  com.apple.driver.AppleIntelHDGraphics 7.3.2
  com.apple.driver.AppleIntelHDGraphicsFB 7.3.2
  com.apple.driver.SMCMotionSensor 3.0.2d6
  com.apple.driver.AppleSMCPDRC 5.0.0d8
  com.apple.iokit.IOUserEthernet 1.0.0d1
  com.apple.iokit.IOBluetoothSerialManager 4.0.8f17
  com.apple.GeForce 7.3.2
  com.apple.Dont_Steal_Mac_OS_X 7.0.0
  com.apple.driver.AppleSMCLMU 2.0.1d2
  com.apple.driver.AudioIPCDriver 1.2.3
  com.apple.driver.AppleMuxControl 3.1.33
  com.apple.driver.ApplePolicyControl 3.1.33
  com.apple.driver.ACPI_SMC_PlatformPlugin 5.0.0d8
  com.apple.driver.AppleLPC 1.6.0
  com.apple.driver.AppleMCCSControl 1.0.33
  com.apple.filesystems.autofs 3.0
  com.apple.driver.AppleUSBTCButtons 227.6
  com.apple.driver.BroadcomUSBBluetoothHCIController 4.0.8f17
  com.apple.driver.AppleIRController 312
  com.apple.driver.AppleUSBCardReader 3.0.6
  com.apple.driver.AppleUSBTCKeyboard 227.6
  com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
  com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
  com.apple.BootCache 33
  com.apple.iokit.SCSITaskUserClient 3.2.1
  com.apple.driver.XsanFilter 404
  com.apple.iokit.IOAHCISerialATAPI 2.0.3
  com.apple.iokit.IOAHCIBlockStorage 2.1.0
  com.apple.driver.AppleUSBHub 5.1.0
  com.apple.driver.AirPort.Brcm4331 561.7.22
  com.apple.iokit.AppleBCM5701Ethernet 3.2.4b8
  com.apple.driver.AppleEFINVRAM 1.6.1
  com.apple.driver.AppleSmartBatteryManager 161.0.0
  com.apple.driver.AppleAHCIPort 2.3.1
  com.apple.driver.AppleFWOHCI 4.9.0
  com.apple.driver.AppleUSBEHCI 5.1.0
  com.apple.driver.AppleACPIButtons 1.5
  com.apple.driver.AppleRTC 1.5
  com.apple.driver.AppleHPET 1.7
  com.apple.driver.AppleSMBIOS 1.9
  com.apple.driver.AppleACPIEC 1.5
  com.apple.driver.AppleAPIC 1.6
  com.apple.driver.AppleIntelCPUPowerManagementClient 195.0.0
  com.apple.nke.applicationfirewall 3.2.30
  com.apple.security.quarantine 1.4
  com.apple.security.TMSafetyNet 8
  com.apple.driver.AppleIntelCPUPowerManagement 195.0.0
  com.apple.driver.DspFuncLib 2.2.5a5
  com.apple.iokit.IOSurface 80.0.2
  com.apple.iokit.IOSerialFamily 10.0.5
  com.apple.iokit.IOFireWireIP 2.2.5
  com.apple.iokit.IOAudioFamily 1.8.6fc18
  com.apple.kext.OSvKernDSPLib 1.3
  com.apple.driver.AppleHDAController 2.2.5a5
  com.apple.iokit.IOHDAFamily 2.2.5a5
  com.apple.driver.AppleGraphicsControl 3.1.33
  com.apple.nvidia.nv50hal 7.3.2
  com.apple.driver.AppleSMC 3.1.3d10
  com.apple.driver.IOPlatformPluginLegacy 5.0.0d8
  com.apple.driver.AppleSMBusPCI 1.0.10d0
  com.apple.driver.AppleBacklightExpert 1.0.4
  com.apple.driver.IOPlatformPluginFamily 5.1.1d6
  com.apple.driver.AppleSMBusController 1.0.10d0
  com.apple.NVDAResman 7.3.2
  com.apple.iokit.IONDRVSupport 2.3.4
  com.apple.iokit.IOGraphicsFamily 2.3.4
  com.apple.kext.triggers 1.0
  com.apple.driver.AppleUSBBluetoothHCIController 4.0.8f17
  com.apple.iokit.IOBluetoothFamily 4.0.8f17
  com.apple.iokit.IOSCSIBlockCommandsDevice 3.2.1
  com.apple.iokit.IOUSBMassStorageClass 3.0.3
  com.apple.driver.AppleUSBMultitouch 230.5
  com.apple.iokit.IOUSBHIDDriver 5.0.0
  com.apple.driver.AppleUSBMergeNub 5.1.0
  com.apple.driver.AppleUSBComposite 5.0.0
  com.apple.iokit.IOSCSIMultimediaCommandsDevice 3.2.1
  com.apple.iokit.IOBDStorageFamily 1.7
  com.apple.iokit.IODVDStorageFamily 1.7.1
  com.apple.iokit.IOCDStorageFamily 1.7.1
  com.apple.iokit.IOSCSIArchitectureModelFamily 3.2.1
  com.apple.iokit.IOUSBUserClient 5.0.0
  com.apple.iokit.IO80211Family 420.3
  com.apple.iokit.IOEthernetAVBController 1.0.1b1
  com.apple.iokit.IONetworkingFamily 2.1
  com.apple.iokit.IOAHCIFamily 2.0.8
  com.apple.iokit.IOFireWireFamily 4.4.8
  com.apple.iokit.IOUSBFamily 5.1.0
  com.apple.driver.AppleEFIRuntime 1.6.1
  com.apple.iokit.IOHIDFamily 1.7.1
  com.apple.iokit.IOSMBusFami
• ly 1.1
  com.apple.security.sandbox 177.8
  com.apple.kext.AppleMatch 1.0.0d1
  com.apple.driver.DiskImages 331.7
  com.apple.iokit.IOStorageFamily 1.7.2
  com.apple.driver.AppleKeyStore 28.18
  com.apple.driver.AppleACPIPlatform 1.5
  com.apple.iokit.IOPCIFamily 2.7
  com.apple.iokit.IOACPIFamily 1.4