I Need Assistance Deciphering this Panic Report

*** Panic Report ***
panic(cpu 4 caller 0xffffff801317e672): "PHYSMAP_PTOV bounds exceeded, 0xffffff7306cb6000, 0xfffffe8940000000, 0xfffffec940000000"@/BuildRoot/Library/Caches/com.apple.xbs/Sources/xnu/xnu-457 0.61.1/osfmk/i386/pmap.h:471
Backtrace (CPU 4), Frame : Return Address
0xffffff80280baf90 : 0xffffff801306d166
0xffffff80280bafe0 : 0xffffff8013195824
0xffffff80280bb020 : 0xffffff8013187b10
0xffffff80280bb0a0 : 0xffffff801301f180
0xffffff80280bb0c0 : 0xffffff801306cbdc
0xffffff80280bb1f0 : 0xffffff801306c99c
0xffffff80280bb250 : 0xffffff801317e672
0xffffff80280bb2c0 : 0xffffff801317e8b3
0xffffff80280bb310 : 0xffffff80136a816d
0xffffff80280bb350 : 0xffffff7f9605ba8a
0xffffff80280bb420 : 0xffffff7f9602aa01
0xffffff80280bb4a0 : 0xffffff7f96003217
0xffffff80280bb530 : 0xffffff7f96002eb1
0xffffff80280bb5b0 : 0xffffff7f9600105a
0xffffff80280bb5f0 : 0xffffff7f96002859
0xffffff80280bb650 : 0xffffff7f940a2615
0xffffff80280bb6a0 : 0xffffff7f940ac387
0xffffff80280bb6e0 : 0xffffff7f940ac282
0xffffff80280bb710 : 0xffffff7f940bfa84
0xffffff80280bb780 : 0xffffff7f9600a4ec
0xffffff80280bb7b0 : 0xffffff7f940db53b
0xffffff80280bb7d0 : 0xffffff801369add8
0xffffff80280bb840 : 0xffffff7f940d69e4
0xffffff80280bb870 : 0xffffff7f940d8d0b
0xffffff80280bb8e0 : 0xffffff7f940aa005
0xffffff80280bb920 : 0xffffff7f940d686e
0xffffff80280bb960 : 0xffffff7f94065a72
0xffffff80280bba10 : 0xffffff7f940529d0
0xffffff80280bba50 : 0xffffff7f940632fa
0xffffff80280bba90 : 0xffffff7f9406410b
0xffffff80280bbad0 : 0xffffff80136c19c8
0xffffff80280bbb20 : 0xffffff7f94069f5f
0xffffff80280bbb70 : 0xffffff80136ca5b7
0xffffff80280bbcb0 : 0xffffff8013143b94
0xffffff80280bbdc0 : 0xffffff8013072680
0xffffff80280bbe10 : 0xffffff801304f9dd
0xffffff80280bbe60 : 0xffffff80130624eb
0xffffff80280bbef0 : 0xffffff80131726bd
0xffffff80280bbfa0 : 0xffffff801301f986
Kernel Extensions in backtrace:
com.apple.iokit.IOGraphicsFamily(519.19)[0B3857C5-9040-3A0C-BFB4-C45E56DB01C6]@ 0xffffff7f94049000->0xffffff7f94091fff
dependency: com.apple.iokit.IOPCIFamily(2.9)[1057F053-73DE-33E4-B5BE-09DA28715DB4]@0xffffff 7f93894000
com.apple.iokit.IOAcceleratorFamily2(378.18.1)[BAA0383C-9650-3934-B04A-69008F75 7A2C]@0xffffff7f9409f000->0xffffff7f94135fff
dependency: com.apple.driver.AppleMobileFileIntegrity(1.0.5)[2C7FC941-99ED-3D2F-B32F-BEE15B 79D323]@0xffffff7f94018000
dependency: com.apple.iokit.IOSurface(211.12)[E998B85B-3174-3C25-B82B-C0D8BD9720E5]@0xfffff f7f9402d000
dependency: com.apple.iokit.IOPCIFamily(2.9)[1057F053-73DE-33E4-B5BE-09DA28715DB4]@0xffffff 7f93894000
dependency: com.apple.iokit.IOGraphicsFamily(519.19)[0B3857C5-9040-3A0C-BFB4-C45E56DB01C6]@ 0xffffff7f94049000
com.apple.kext.AMDRadeonX4000(1.6.6)[D486E029-2D19-3382-9468-CC593B88915D]@0xff ffff7f95ffc000->0xffffff7f964b6fff
dependency: com.apple.iokit.IOSurface(211.12)[E998B85B-3174-3C25-B82B-C0D8BD9720E5]@0xfffff f7f9402d000
dependency: com.apple.iokit.IOPCIFamily(2.9)[1057F053-73DE-33E4-B5BE-09DA28715DB4]@0xffffff 7f93894000
dependency: com.apple.iokit.IOGraphicsFamily(519.19)[0B3857C5-9040-3A0C-BFB4-C45E56DB01C6]@ 0xffffff7f94049000
dependency: com.apple.iokit.IOAcceleratorFamily2(378.18.1)[BAA0383C-9650-3934-B04A-69008F75 7A2C]@0xffffff7f9409f000

BSD process name corresponding to current thread: WindowServer

Mac OS version:
17F77

Kernel version:
Darwin Kernel Version 17.6.0: Tue May 8 15:22:16 PDT 2018; root:xnu-4570.61.1~1/RELEASE_X86_64
Kernel UUID: CC1699EE-71B5-3AF1-AAA3-6DBD16222B92
Kernel slide: 0x0000000012e00000
Kernel text base: 0xffffff8013000000
__HIB text base: 0xffffff8012f00000
System model name: MacBookPro11,5 (Mac-06F11F11946D27C5)

System uptime in nanoseconds: 26058868835097
last loaded kext at 26051041127486: com.apple.driver.usb.cdc 5.0.0 (addr 0xffffff7f97540000, size 28672)
last unloaded kext at 25280763677534: com.apple.driver.AppleThunderboltDPOutAdapter 5.5.4 (addr 0xffffff7f97540000, size 40960)
loaded kexts:
com.getdropbox.dropbox.kext 1.8.8
com.apple.driver.AppleUSBDisplays 380
com.apple.filesystems.smbfs 3.2.3
com.apple.filesystems.afpfs 11.1
com.apple.nke.asp-tcp 8.0.2
com.apple.driver.AudioAUUC 1.70
com.apple.filesystems.autofs 3.0
com.apple.driver.ApplePlatformEnabler 2.7.0d0
com.apple.driver.AGPM 110.23.37
com.apple.driver.X86PlatformShim 1.0.0
com.apple.driver.AppleHDA 281.52
com.apple.driver.AppleUpstreamUserClient 3.6.5
com.apple.kext.AMDFramebuffer 1.6.6
com.apple.kext.AMDRadeonX4000 1.6.6
com.apple.driver.AppleGraphicsDevicePolicy 3.18.52
com.apple.AGDCPluginDisplayMetrics 3.18.52
com.apple.driver.AppleHV 1
com.apple.iokit.IOUserEthernet 1.0.1
com.apple.driver.AGDCBacklightControl 3.18.52
com.apple.driver.AppleIntelHD5000Graphics 10.3.4
com.apple.iokit.BroadcomBluetooth20703USBTransport 6.0.6f2
com.apple.iokit.IOBluetoothSerialManager 6.0.6f2
com.apple.driver.pmtelemetry 1
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.driver.eficheck 1
com.apple.driver.AppleMuxControl 3.18.52
com.apple.driver.AppleIntelFramebufferAzul 10.3.4
com.apple.kext.AMD7000Controller 1.6.6
com.apple.driver.AppleThunderboltIP 3.1.1
com.apple.driver.AppleLPC 3.1
com.apple.driver.AppleOSXWatchdog 1
com.apple.driver.AppleCameraInterface 6.01.2
com.apple.driver.AppleSMCLMU 211
com.apple.driver.AppleMCCSControl 1.5.5
com.apple.driver.AppleIntelSlowAdaptiveClocking 4.0.0
com.apple.driver.AppleUSBCardReader 439.60.2
com.apple.driver.AppleTopCaseHIDEventDriver 133
com.apple.driver.AppleUSBTopCaseDriver 133
com.apple.filesystems.apfs 748.51.0
com.apple.driver.AirPort.BrcmNIC 1241.31.1a9
com.apple.driver.AppleAHCIPort 329.50.2
com.apple.filesystems.hfs.kext 407.50.6
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
com.apple.BootCache 40
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0
com.apple.AppleSystemPolicy 1.0
com.apple.driver.AppleACPIButtons 6.1
com.apple.driver.AppleSmartBatteryManager 161.0.0
com.apple.driver.AppleRTC 2.0
com.apple.driver.AppleHPET 1.8
com.apple.driver.AppleSMBIOS 2.1
com.apple.driver.AppleACPIEC 6.1
com.apple.driver.AppleAPIC 1.7
com.apple.nke.applicationfirewall 183
com.apple.security.TMSafetyNet 8
com.apple.security.quarantine 3
com.apple.driver.usb.cdc 5.0.0
com.apple.driver.usb.AppleUSBHub 1.2
com.apple.security.SecureRemotePassword 1.0
com.apple.kext.triggers 1.0
com.apple.driver.DspFuncLib 281.52
com.apple.kext.OSvKernDSPLib 526
com.apple.kext.AMDRadeonX4030HWLibs 1.0
com.apple.kext.AMDRadeonX4000HWServices 1.6.6
com.apple.iokit.IOAVBFamily 680.2
com.apple.plugin.IOgPTPPlugin 680.15
com.apple.iokit.IOEthernetAVBController 1.1.0
com.apple.driver.AppleSSE 1.0
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport 6.0.6f2
com.apple.iokit.IOBluetoothHostControllerUSBTransport 6.0.6f2
com.apple.iokit.IOBluetoothHostControllerTransport 6.0.6f2
com.apple.iokit.IOSerialFamily 11
com.apple.driver.AppleBacklightExpert 1.1.0
com.apple.iokit.IONDRVSupport 519.19
com.apple.iokit.IOUSBHIDDriver 900.4.1
com.apple.driver.AppleGraphicsControl 3.18.52
com.apple.iokit.IOAcceleratorFamily2 378.18.1
com.apple.iokit.IOSurface 211.12
com.apple.kext.AMDSupport 1.6.6
com.apple.AppleGPUWrangler 3.18.52
com.apple.AppleGraphicsDeviceControl 3.18.52
com.apple.driver.AppleHDAController 281.52
com.apple.iokit.IOHDAFamily 281.52
com.apple.iokit.IOAudioFamily 206.5
com.apple.vecLib.kext 1.2.0
com.apple.driver.X86PlatformPlugin 1.0.0
com.apple.driver.IOPlatformPluginFamily 6.0.0d8
com.apple.driver.AppleSMBusController 1.0.18d1
com.apple.iokit.IOGraphicsFamily 519.19
com.apple.iokit.IOSlowAdaptiveClockingFamily 1.0.0
com.apple.driver.AppleActuatorDriver 1404.4
com.apple.driver.AppleHSBluetoothDriver 133
com.apple.driver.IOBluetoothHIDDriver 6.0.6f2
com.apple.iokit.IOBluetoothFamily 6.0.6f2
com.apple.driver.AppleHIDKeyboard 205
com.apple.driver.AppleMultitouchDriver 1404.4
com.apple.driver.AppleInputDeviceSupport 1404.3
com.apple.driver.usb.IOUSBHostHIDDevice 1.2
com.apple.driver.usb.networking 5.0.0
com.apple.driver.usb.AppleUSBHostCompositeDevice 1.2
com.apple.iokit.IOAHCIBlockStorage 301.40.2
com.apple.iokit.IO80211Family 1200.12.2
com.apple.driver.mDNSOffloadUserClient 1.0.1b8
com.apple.driver.corecapture 1.0.4
com.apple.iokit.IOAHCIFamily 288
com.apple.driver.usb.AppleUSBXHCIPCI 1.2
com.apple.driver.usb.AppleUSBXHCI 1.2
com.apple.filesystems.hfs.encodings.kext 1
com.apple.driver.AppleThunderboltDPInAdapter 5.5.4
com.apple.driver.AppleThunderboltDPAdapterFamily 5.5.4
com.apple.driver.AppleThunderboltPCIDownAdapter 2.1.3
com.apple.driver.AppleThunderboltNHI 4.7.2
com.apple.iokit.IOThunderboltFamily 6.7.8
com.apple.driver.usb.AppleUSBHostPacketFilter 1.0
com.apple.iokit.IOUSBFamily 900.4.1
com.apple.driver.AppleUSBHostMergeProperties 1.2
com.apple.driver.AppleEFINVRAM 2.1
com.apple.driver.AppleEFIRuntime 2.1
com.apple.iokit.IOHIDFamily 2.0.0
com.apple.iokit.IOSMBusFamily 1.1
com.apple.security.sandbox 300.0
com.apple.kext.AppleMatch 1.0.0d1
com.apple.driver.DiskImages 480.60.1
com.apple.driver.AppleFDEKeyStore 28.30
com.apple.driver.AppleEffaceableStorage 1.0
com.apple.driver.AppleKeyStore 2
com.apple.driver.AppleUSBTDM 439.60.2
com.apple.driver.AppleMobileFileIntegrity 1.0.5
com.apple.iokit.IOUSBMassStorageDriver 140.50.3
com.apple.iokit.IOSCSIBlockCommandsDevice 404.30.2
com.apple.iokit.IOSCSIArchitectureModelFamily 404.30.2
com.apple.iokit.IOStorageFamily 2.1
com.apple.driver.AppleCredentialManager 1.0
com.apple.driver.KernelRelayHost 1
com.apple.iokit.IOUSBHostFamily 1.2
com.apple.driver.usb.AppleUSBCommon 1.0
com.apple.driver.AppleBusPowerController 1.0
com.apple.driver.AppleSEPManager 1.0.1
com.apple.driver.IOSlaveProcessor 1
com.apple.iokit.IOReportFamily 31
com.apple.iokit.IOTimeSyncFamily 680.15
com.apple.iokit.IONetworkingFamily 3.4
com.apple.driver.AppleACPIPlatform 6.1
com.apple.driver.AppleSMC 3.1.9
com.apple.iokit.IOPCIFamily 2.9
com.apple.iokit.IOACPIFamily 1.4
com.apple.kec.pthread 1
com.apple.kec.Libm 1
com.apple.kec.corecrypto 1.0

EOF
Model: MacBookPro11,5, BootROM MBP114.0183.B00, 4 processors, Intel Core i7, 2.5 GHz, 16 GB, SMC 2.30f2
Graphics: AMD Radeon R9 M370X, AMD Radeon R9 M370X, PCIe
Graphics: Intel Iris Pro, Intel Iris Pro, Built-In
Memory Module: BANK 0/DIMM0, 8 GB, DDR3, 1600 MHz, 0x802C, 0x31364B544631473634485A2D314736453120
Memory Module: BANK 1/DIMM0, 8 GB, DDR3, 1600 MHz, 0x802C, 0x31364B544631473634485A2D314736453120
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x152), Broadcom BCM43xx 1.0 (7.77.37.31.1a9)
Bluetooth: Version 6.0.6f2, 3 services, 27 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en0
Serial ATA Device: APPLE SSD SM0512G, 500.28 GB
USB Device: USB 3.0 Bus
USB Device: Internal Memory Card Reader
USB Device: Apple Internal Keyboard / Trackpad
USB Device: Bluetooth USB Host Controller
USB Device: USB Receiver
Thunderbolt Bus: MacBook Pro, Apple Inc., 27.1