virt manager OS setup XML - ERROR...

<domain type="kvm">
  <name>Windows10GamingVM</name>
  <uuid>d5bd1c07-385d-415f-8525-780420f61dc3</uuid>
  <memory>8388608</memory>
  <currentMemory>8388608</currentMemory>
  <vcpu current="1">8</vcpu>
  <os>
    <type arch="x86_64" machine="q35">hvm</type>
    <loader readonly="yes" type="pflash">/usr/share/OVMF/OVMF_CODE.fd</loader>
    <boot dev="hd"/>
  </os>
  <features>
    <acpi/>
    <apic/>
    <vmport state="off"/>
  </features>
  <cpu mode="host-model">
    <topology sockets="1" cores="4" threads="2"/>
  </cpu>
  <clock offset="utc">
    <timer name="rtc" tickpolicy="catchup"/>
    <timer name="pit" tickpolicy="delay"/>
    <timer name="hpet" present="no"/>
  </clock>
  <pm>
    <suspend-to-mem enabled="no"/>
    <suspend-to-disk enabled="no"/>
  </pm>
  <devices>
    <emulator>/usr/bin/qemu-system-x86_64</emulator>

    <disk type="block" device="disk">
    <driver name="qemu" type="raw" cache="none" io="native" discard="unmap"/>
    <source dev="/dev/nvme0n1"/>
    <target dev="sdb" bus="sata"/>
    <boot order="1"/>
    <address type="drive" controller="0" bus="0" target="0" unit="1"/>
  </disk>
    <controller type="usb" index="0" model="ich9-ehci1"/>
    <controller type="usb" index="0" model="ich9-uhci1">
      <master startport="0"/>
    </controller>
    <controller type="usb" index="0" model="ich9-uhci2">
      <master startport="2"/>
    </controller>
    <controller type="usb" index="0" model="ich9-uhci3">
      <master startport="4"/>
    </controller>
    <interface type="direct">
      <source dev="enp7s0" mode="bridge"/>
      <mac address="52:54:00:64:4a:5d"/>
      <model type="e1000"/>
    </interface>
    <console type="pty"/>
    <channel type="spicevmc">
      <target type="virtio" name="com.redhat.spice.0"/>
    </channel>
    <input type="tablet" bus="usb"/>
    <graphics type="spice" port="-1" tlsPort="-1" autoport="yes">
      <image compression="off"/>
    </graphics>
    <sound model="ich6"/>
    <video>
      <model type="qxl"/>
    </video>
    <redirdev bus="usb" type="spicevmc"/>
    <redirdev bus="usb" type="spicevmc"/>
    <disk type="file" device="cdrom">
      <driver name="qemu" type="raw"/>
      <source file="/home/kiloneie/Downloads/virtio-win-0.1.190.iso"/>
      <target dev="sdc" bus="sata"/>
      <readonly/>
    </disk>
    <hostdev mode="subsystem" type="pci" managed="yes">
      <source>
        <address domain="0" bus="10" slot="0" function="0"/>
      </source>
    </hostdev>
    <hostdev mode="subsystem" type="pci" managed="yes">
      <source>
        <address domain="0" bus="10" slot="0" function="1"/>
      </source>
    </hostdev>
    <hostdev mode="subsystem" type="pci" managed="yes">
      <source>
        <address domain="0" bus="12" slot="0" function="3"/>
      </source>
    </hostdev>
    <disk type="file" device="cdrom">
      <target dev="sdd" bus="sata"/>
      <readonly/>
    </disk>
  </devices>
</domain>