[ERROR] Could not find matching PulseAudio input source

[bphd]

$ usbaudio --device `lsusb | grep MTP | cut -d ' ' -f 6` | sed 's/$redacted/AAAA00AA0AA/g;s/$redacted/00a0:0000/g'
kernel: usb 3-6: USB disconnect, device number 31
plasmashell[]: file:///usr/lib/qt/qml/org/kde/plasma/extras/ExpandableListItem.qml:291: TypeError: Cannot read property 'enabled' of null
plasmashell[]: file:///usr/lib/qt/qml/org/kde/plasma/extras/PlaceholderMessage.qml:238:5: QML Heading: Binding loop detected for property "verticalAlignment"
kernel: usb 3-6: new high-speed USB device number 32 using xhci_hcd
kernel: usb 3-6: New USB device found, idVendor=$redacted, idProduct=$redacted, bcdDevice= $redacted
kernel: usb 3-6: New USB device strings: Mfr=1, Product=2, SerialNumber=3
kernel: usb 3-6: Product: $redacted_Android
kernel: usb 3-6: Manufacturer: $redacted
kernel: usb 3-6: SerialNumber: $redacted
kernel: rt715-sdca sdw:3:025d:0714:01: ASoC: error at soc_component_read_no_lock on sdw:3:025d:0714:01 for register: [0x40800109] -5
mtp-probe[]: checking bus 3, device 32: "/sys/devices/pci0000:00/0000:00:14.0/usb3/3-6"
mtp-probe[]: bus: 3, device: 32 was not an MTP device
(udev-worker)[]: controlC1: Process '/usr/bin/alsactl restore 1' failed with exit code 99.
mtp-probe[]: checking bus 3, device 32: "/sys/devices/pci0000:00/0000:00:14.0/usb3/3-6"
mtp-probe[]: bus: 3, device: 32 was not an MTP device
kmix[]: org.kde.kmix: no mix devices and not dynamic
kded5[]: org.kde.kmix: no mix devices and not dynamic
kmix[]: org.kde.kmix: Cannot add mixer to GUI
[ERROR] Could not find matching PulseAudio input source
[INFO] Device: [00a0:0000] AAAA00AA0AA
[INFO] Audio forwarding enabled
[INFO] Waiting for input source...