Litex/Upduino_v3: ERROR package does not have a pin named '22' (on line 2)

Warnings: 1 unique messages, 1 total
End of script. Logfile hash: ecb71575a3, CPU: user 10.28s system 0.18s, MEM: 85.89 MB peak
Yosys 0.18+29 (git sha1 48efc9b75, clang 14.0.0-1ubuntu1 -fPIC -Os)
Time spent: 20% 41x opt_expr (2 sec), 18% 34x opt_clean (2 sec), ...
Info: constrained 'clk12' to bel 'X12/Y31/io1'
ERROR: package does not have a pin named '22' (on line 2)
ERROR: Loading PCF failed.
0 warnings, 2 errors
Traceback (most recent call last):
  File "/mnt/c/JTAG/github/litex-boards/litex_boards/targets/upduino_v3.py", line 139, in <module>
    main()
  File "/mnt/c/JTAG/github/litex-boards/litex_boards/targets/upduino_v3.py", line 133, in main
    builder.build(**icestorm_argdict(args))
  File "/mnt/c/JTAG/github/litex/litex/soc/integration/builder.py", line 350, in build
    vns = self.soc.build(build_dir=self.gateware_dir, **kwargs)
  File "/mnt/c/JTAG/github/litex/litex/soc/integration/soc.py", line 1262, in build
    return self.platform.build(self, *args, **kwargs)
  File "/mnt/c/JTAG/github/litex/litex/build/lattice/platform.py", line 43, in build
    return self.toolchain.build(self, *args, **kwargs)
  File "/mnt/c/JTAG/github/litex/litex/build/lattice/icestorm.py", line 206, in build
    _run_script(script)
  File "/mnt/c/JTAG/github/litex/litex/build/lattice/icestorm.py", line 146, in _run_script
    raise OSError("Error occured during Yosys/Nextpnr's script execution.")
OSError: Error occured during Yosys/Nextpnr's script execution.