RealHW: Assertion failed when USB HDD is detached on installer volume list

ReactOS 0.4.12-dev (Build 20181218-0.4.12-dev-107-g8540ab0) (Commit 8540ab04d77580aac8ff7cc21721d301f1e2b4f2)

Detailed connected hardware:
Processor - AMD Athlon II x3 450.
RAM - DDR2 800MHz 2x2GB.
Motherboard - Microstar K9N6PGM2-V2 MS-7309 Ver:2.3.
Default BIOS settings except of disabled onboard audio & parallel port.
Ded. Graphics Card - nVidia GeForce GTX 750Ti OEM 2GB.
Hard Drive - SATA II WD16 00JS-56MHB1 160GB.
[Unformatted]
Optical Drive - SATA II Plextor PX-L890SA.
Television Card - Medion TV Tuner SAA7134 CreatixCTX918-V2.
Ded. Sound Card - Asus Xonar DGX.

Additionally:
USB Mouse working.
PS/2 Keyboard working.
Buzzer working.

USB Hard Drive - Toshiba MK7559GSM 750GB.
[Volume 1: 250GB Extended Linux Partition; Volume 2 500GB NTFS]
USB Hard Drive - WD3200BPVT-55ZEST0 320GB.
[Volume 1: 315GB NTFS; Volume 2 5GB BTRFS]

I've disconnected the Toshiba USB Disk Drive after the volume list appeared - it causes assertion fail and the installer freezes.

(drivers/usb/usbehci/hardware.cpp:1418) Device disconnected on port 3

(sdk/lib/drivers/libusb/hub_controller.cpp:334) [USBEHCI] Change state on port 3

(drivers/usb/usbehci/hardware.cpp:1104) Waiting 100 milliseconds for port to stabilize after connection

(drivers/usb/usbehci/hardware.cpp:1418) Device disconnected on port 3

(sdk/lib/drivers/libusb/hub_controller.cpp:4003) There was no pending IRP for SCE. Did the usb hub 2.0 driver (usbhub2) load?

(drivers/usb/usbhub/fdo.c:273) Device connected from port 4

*** Assertion failed: PortStatus & EHCI_PRT_CONNECTED

***   Source File: /srv/buildbot/Build_GCCLin_x86/build/drivers/usb/usbehci/hardware.cpp, line 906

Break repeatedly, break Once, Ignore, terminate Process or terminate Thread (boipt)? 

kdb:>

Debug log collected using built-in RS232 port.