can't change power state from d3hot to d0 (config space inaccessible)

[Prox815]

I am currently following this guide to passthrough a onboard NVMe controller to my Windows 10 VM.

The following error occurred, and the q35 Bios cannot detect the existence of the passthroughed disk:
dmesg

[  152.072781] pcieport 0000:00:1b.4: PCIe Bus Error: severity=Uncorrected (Non-Fatal), type=Transaction Layer, (Requester ID)
[  152.072802] pcieport 0000:00:1b.4:   device [8086:06ac] error status/mask=00100000/00010000
[  152.072816] pcieport 0000:00:1b.4:    [20] UnsupReq               (First)
[  152.072828] pcieport 0000:00:1b.4: AER:   TLP Header: 34008000 06000010 00000000 88458845
[  152.072986] vfio-pci 0000:06:00.0: can't change power state from D0 to D3hot (config space inaccessible)

Here's my configuration:
nano /etc/pve/qemu-server/104.conf

agent: 1
args: -cpu 'host,+kvm_pv_unhalt,+kvm_pv_eoi,kvm=off'
bios: ovmf
boot: order=hostpci0
cores: 4
cpu: host,flags=+pcid;+spec-ctrl
hostpci0: 0000:06:00,pcie=1,rombar=0
hostpci1: 0000:03:00,pcie=1
hotplug: network,usb
machine: pc-q35-6.0
memory: 8196
name: msWindows
net0: virtio=56:12:09:12:3D:10,bridge=vmbr0,firewall=1
numa: 0
ostype: win10
scsihw: virtio-scsi-single
smbios1: uuid=f77ab107-a743-4297-b07c-9c2e78907749
sockets: 1
usb0: host=1-11
vga: qxl
vmgenid: a0e877ca-01c8-4a96-a330-b2cf8dd7a6ea

Here's my pcie devices:

00:1b.4 PCI bridge [0604]: Intel Corporation Comet Lake PCI Express Root Port #21 [8086:06ac] (rev f0)

03:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Navi 10 [Radeon RX 5600 OEM/5600 XT / 5700/5700 XT] [1002:731f] (rev ca)
03:00.1 Audio device [0403]: Advanced Micro Devices, Inc. [AMD/ATI] Navi 10 HDMI Audio [1002:ab38]

(AMD rx5600xt)

06:00.0 Non-Volatile memory controller [0108]: Sandisk Corp WD Black SN750 / PC SN730 NVMe SSD [15b7:5006]

(WD sn750)

nano /etc/modprobe.d/vfio.conf

options vfio-pci ids=1002:731f,1002:ab38,15b7:5006

lspci -n -s 03:00

03:00.0 0300: 1002:731f (rev ca)
03:00.1 0403: 1002:ab38

lspci -n -s 06:00

06:00.0 0108: 15b7:5006

nano /etc/kernel/cmdline

root=ZFS=rpool/ROOT/pve-1 boot=zfs quiet intel_iommu=on iommu=pt video=efifbff

(I am currently using ZFS as my root filesystem)