UR12 crashing MacBook Air when disconnected from USB

As above. I use the UR12 almost daily and I’ve never had an issue with it until now. Every time I disconnect it from either USB port, I get an error screen and then it shuts down.

Any ideas? Help would be much appreciated! (:

Report:

Anonymous UUID: 0F133E6D-5609-B46E-41A2-A19740F5A95B

Sat Nov 19 16:04:50 2016

*** Panic Report ***
panic(cpu 1 caller 0xffffff800fb3ddbb): “Element 0xffffff802609c000 from zone kalloc.8192 caught being freed to wrong zone kalloc.2048\n”@/Library/Caches/com.apple.xbs/Sources/xnu/xnu-3789.21.3/osfmk/kern/zalloc.c:2664
Backtrace (CPU 1), Frame : Return Address
0xffffff90cc8c3b00 : 0xffffff800faf368c
0xffffff90cc8c3b80 : 0xffffff800fb3ddbb
0xffffff90cc8c3c60 : 0xffffff8010084356
0xffffff90cc8c3c80 : 0xffffff7f92b1f9e4
0xffffff90cc8c3ca0 : 0xffffff8010039823
0xffffff90cc8c3cd0 : 0xffffff8010039606
0xffffff90cc8c3cf0 : 0xffffff7f92b18cbe
0xffffff90cc8c3d10 : 0xffffff800fbbfcee
0xffffff90cc8c3d50 : 0xffffff800faf83ef
0xffffff90cc8c3db0 : 0xffffff800fad5f61
0xffffff90cc8c3e00 : 0xffffff800faf8b06
0xffffff90cc8c3e40 : 0xffffff800fae0f72
0xffffff90cc8c3ec0 : 0xffffff800faea648
0xffffff90cc8c3ef0 : 0xffffff800fae8634
0xffffff90cc8c3f10 : 0xffffff800fbf26ae
0xffffff90cc8c3fb0 : 0xffffff800faa5f66
Kernel Extensions in backtrace:
jp.co.yamaha.driver.YamahaSteinbergUSBAudio(1.9.82)[AEB5E2E1-A93E-3412-2514-00CDBEF96CD6]@0xffffff7f92b14000->0xffffff7f92b4afff
dependency: com.apple.iokit.IOAudioFamily(205.11)[03A8E3F2-F30D-3D41-85E7-0B1C58034419]@0xffffff7f902ea000
dependency: com.apple.iokit.IOUSBFamily(900.4.1)[365596E4-A771-3427-B576-DB02D03FAEFE]@0xffffff7f903e9000

BSD process name corresponding to current thread: coreaudiod

Mac OS version:
16B2555

Kernel version:
Darwin Kernel Version 16.1.0: Thu Oct 13 21:26:57 PDT 2016; root:xnu-3789.21.3~60/RELEASE_X86_64
Kernel UUID: 8941AC1C-B084-37DE-8A34-4CE638C5CFC9
Kernel slide: 0x000000000f800000
Kernel text base: 0xffffff800fa00000
__HIB text base: 0xffffff800f900000
System model name: MacBookAir6,2 (Mac-7DF21CB3ED6977E5)

System uptime in nanoseconds: 15457993605950
last loaded kext at 15454042546234: jp.co.yamaha.driver.YamahaSteinbergUSBAudio 1.9.82 (addr 0xffffff7f92b14000, size 225280)
last unloaded kext at 14642688624080: com.apple.driver.usb.AppleUSBHostCompositeDevice 1.1 (addr 0xffffff7f92b14000, size 28672)
loaded kexts:
jp.co.yamaha.driver.YamahaSteinbergUSBAudio 1.9.82
com.apple.filesystems.smbfs 3.1
com.apple.filesystems.autofs 3.0
com.apple.driver.AudioAUUC 1.70
com.apple.driver.AGPM 110.23.11
com.apple.driver.X86PlatformShim 1.0.0
com.apple.driver.ApplePlatformEnabler 2.7.0d0
com.apple.driver.AppleUpstreamUserClient 3.6.4
com.apple.driver.AppleHDA 278.23
com.apple.driver.AppleOSXWatchdog 1
com.apple.driver.pmtelemetry 1
com.apple.iokit.IOUserEthernet 1.0.1
com.apple.iokit.IOBluetoothSerialManager 5.0.1f7
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.driver.AppleThunderboltIP 3.0.8
com.apple.driver.AppleIntelHD5000Graphics 10.2.0
com.apple.driver.AppleHV 1
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport 5.0.1f7
com.apple.driver.AppleIntelFramebufferAzul 10.2.0
com.apple.driver.AppleLPC 3.1
com.apple.driver.AppleSMCLMU 208
com.apple.driver.AppleCameraInterface 5.57.0
com.apple.driver.AppleIntelSlowAdaptiveClocking 4.0.0
com.apple.driver.AppleBacklight 170.9.10
com.apple.driver.AppleMCCSControl 1.2.13
com.apple.driver.AppleUSBCardReader 404.20.1
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0
com.apple.BootCache 40
com.apple.filesystems.hfs.kext 366.1.1
com.apple.driver.AppleTopCaseHIDEventDriver 103
com.apple.iokit.IOAHCIBlockStorage 295.20.1
com.apple.driver.AppleAHCIPort 326
com.apple.driver.AirPort.Brcm4360 1110.4.1a8
com.apple.driver.AppleACPIButtons 5.0
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 5.0
com.apple.driver.AppleAPIC 1.7
com.apple.nke.applicationfirewall 172
com.apple.security.quarantine 3
com.apple.security.TMSafetyNet 8
com.apple.kext.triggers 1.0
com.apple.driver.DspFuncLib 278.23
com.apple.kext.OSvKernDSPLib 525
com.apple.iokit.IOSurface 153.1
com.apple.driver.AppleHDAController 278.23
com.apple.iokit.IOHDAFamily 278.23
com.apple.iokit.IOAudioFamily 205.11
com.apple.vecLib.kext 1.2.0
com.apple.iokit.IOBluetoothHostControllerUSBTransport 5.0.1f7
com.apple.iokit.IOBluetoothHostControllerTransport 5.0.1f7
com.apple.iokit.IOBluetoothFamily 5.0.1f7
com.apple.AppleGraphicsDeviceControl 3.13.74
com.apple.iokit.IOAcceleratorFamily2 288.15
com.apple.iokit.IOSerialFamily 11
com.apple.driver.X86PlatformPlugin 1.0.0
com.apple.driver.IOPlatformPluginFamily 6.0.0d8
com.apple.iokit.IOSlowAdaptiveClockingFamily 1.0.0
com.apple.driver.AppleBacklightExpert 1.1.0
com.apple.iokit.IONDRVSupport 2.4.1
com.apple.driver.AppleSMC 3.1.9
com.apple.driver.AppleSMBusController 1.0.14d1
com.apple.iokit.IOGraphicsFamily 2.4.1
com.apple.iokit.IOSCSIBlockCommandsDevice 394
com.apple.iokit.IOUSBMassStorageDriver 131.1.1
com.apple.iokit.IOSCSIArchitectureModelFamily 394
com.apple.driver.usb.networking 5.0.0
com.apple.driver.usb.AppleUSBHub 1.1
com.apple.driver.CoreStorage 540
com.apple.filesystems.hfs.encodings.kext 1
com.apple.driver.AppleMultitouchDriver 368.4
com.apple.driver.AppleInputDeviceSupport 76.4
com.apple.driver.AppleHIDKeyboard 197
com.apple.driver.AppleHSSPIHIDDriver 49
com.apple.iokit.IOAHCIFamily 288
com.apple.driver.AppleThunderboltDPInAdapter 4.5.5
com.apple.driver.AppleThunderboltDPAdapterFamily 4.5.5
com.apple.driver.AppleThunderboltPCIDownAdapter 2.0.5
com.apple.driver.AppleThunderboltNHI 4.1.6
com.apple.iokit.IOThunderboltFamily 6.2.3
com.apple.iokit.IO80211Family 1200.12.2
com.apple.driver.mDNSOffloadUserClient 1.0.1b8
com.apple.iokit.IONetworkingFamily 3.2
com.apple.driver.corecapture 1.0.4
com.apple.driver.AppleHSSPISupport 49
com.apple.driver.AppleIntelLpssSpiController 3.0.60
com.apple.driver.AppleIntelLpssDmac 3.0.60
com.apple.driver.AppleIntelLpssGspi 3.0.60
com.apple.driver.usb.AppleUSBXHCIPCI 1.1
com.apple.driver.usb.AppleUSBXHCI 1.1
com.apple.driver.usb.AppleUSBHostPacketFilter 1.0
com.apple.iokit.IOUSBFamily 900.4.1
com.apple.driver.AppleEFINVRAM 2.1
com.apple.iokit.IOUSBHostFamily 1.1
com.apple.driver.AppleEFIRuntime 2.0
com.apple.driver.AppleUSBHostMergeProperties 1.1
com.apple.iokit.IOHIDFamily 2.0.0
com.apple.driver.AppleBusPowerController 1.0
com.apple.iokit.IOSMBusFamily 1.1
com.apple.security.sandbox 300.0
com.apple.kext.AppleMatch 1.0.0d1
com.apple.driver.AppleKeyStore 2
com.apple.driver.AppleMobileFileIntegrity 1.0.5
com.apple.driver.AppleCredentialManager 1.0
com.apple.driver.DiskImages 444.20.3
com.apple.iokit.IOStorageFamily 2.1
com.apple.iokit.IOReportFamily 31
com.apple.driver.AppleFDEKeyStore 28.30
com.apple.driver.AppleACPIPlatform 5.0
com.apple.iokit.IOPCIFamily 2.9
com.apple.iokit.IOACPIFamily 1.4
com.apple.kec.pthread 1
com.apple.kec.corecrypto 1.0
com.apple.kec.Libm 1
Model: MacBookAir6,2, BootROM MBA61.0099.B22, 2 processors, Intel Core i5, 1.4 GHz, 4 GB, SMC 2.13f15
Graphics: Intel HD Graphics 5000, Intel HD Graphics 5000, Built-In
Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1600 MHz, 0x80AD, 0x483943434E4E4E384A544D4C41522D4E544D
Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1600 MHz, 0x80AD, 0x483943434E4E4E384A544D4C41522D4E544D
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x117), Broadcom BCM43xx 1.0 (7.21.171.47.1a8)
Bluetooth: Version 5.0.1f7, 3 services, 27 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en0
Serial ATA Device: APPLE SSD SD0128F, 121.33 GB
USB Device: USB 3.0 Bus
USB Device: BRCM20702 Hub
USB Device: Bluetooth USB Host Controller
Thunderbolt Bus: MacBook Air, Apple Inc., 23.6