++++++ /home/paul/clrm_systems/system-kirstine.def:9 "set": Executing "set" "MKINITCPIO_EXTRA_MODULES" "${MKINITCPIO_EXTRA_MODULES} nouveau".
 FAIL  Generation of "system-kirstine" failed: 'MKINITCPIO_EXTRA_MODULES'

Error report:
>>>>>> Flushing buffer:
++++++ /home/paul/clrm_systems/system-kirstine.def:9 "set": Executing "set" "MKINITCPIO_EXTRA_MODULES" "${MKINITCPIO_EXTRA_MODULES} nouveau".
 FAIL  Generation of "system-kirstine" failed: 'MKINITCPIO_EXTRA_MODULES'

>>>>>> End of Buffer <<<<<<


Traceback Information:
  File "/home/paul/cleanroom/cleanroom/generator.py", line 101, in generate_systems
    exe.run(
  File "/home/paul/cleanroom/cleanroom/executor.py", line 59, in run
    command.execute_func(
  File "/home/paul/cleanroom/cleanroom/commandmanager.py", line 115, in <lambda>
    execute_func=lambda loc, sc, *args, **kwargs: __execute_func(
  File "/home/paul/cleanroom/cleanroom/commandmanager.py", line 101, in __execute_func
    command(location, system_context, *args, **kwargs)
  File "/home/paul/cleanroom/cleanroom/commands/set.py", line 44, in __call__
    keyValue = process_args(system_context, *args)
  File "/home/paul/cleanroom/cleanroom/command.py", line 50, in process_args
    return list(map(lambda a: _expand_arg(system_context, str(a)), args))
  File "/home/paul/cleanroom/cleanroom/command.py", line 50, in <lambda>
    return list(map(lambda a: _expand_arg(system_context, str(a)), args))
  File "/home/paul/cleanroom/cleanroom/command.py", line 43, in _expand_arg
    Template(arg).substitute(system_context.substitutions)
  File "/usr/lib/python3.8/string.py", line 126, in substitute
    return self.pattern.sub(convert, self.template)
  File "/usr/lib/python3.8/string.py", line 119, in convert
    return str(mapping[named])


>>>>>> END OF ERROR REPORT <<<<<<
Traceback (most recent call last):
  File "/home/paul/cleanroom/cleanroom/generator.py", line 101, in generate_systems
    exe.run(
  File "/home/paul/cleanroom/cleanroom/executor.py", line 59, in run
    command.execute_func(
  File "/home/paul/cleanroom/cleanroom/commandmanager.py", line 115, in <lambda>
    execute_func=lambda loc, sc, *args, **kwargs: __execute_func(
  File "/home/paul/cleanroom/cleanroom/commandmanager.py", line 101, in __execute_func
    command(location, system_context, *args, **kwargs)
  File "/home/paul/cleanroom/cleanroom/commands/set.py", line 44, in __call__
    keyValue = process_args(system_context, *args)
  File "/home/paul/cleanroom/cleanroom/command.py", line 50, in process_args
    return list(map(lambda a: _expand_arg(system_context, str(a)), args))
  File "/home/paul/cleanroom/cleanroom/command.py", line 50, in <lambda>
    return list(map(lambda a: _expand_arg(system_context, str(a)), args))
  File "/home/paul/cleanroom/cleanroom/command.py", line 43, in _expand_arg
    Template(arg).substitute(system_context.substitutions)
  File "/usr/lib/python3.8/string.py", line 126, in substitute
    return self.pattern.sub(convert, self.template)
  File "/usr/lib/python3.8/string.py", line 119, in convert
    return str(mapping[named])
KeyError: 'MKINITCPIO_EXTRA_MODULES'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/paul/cleanroom/clrm", line 13, in <module>
    main.run()
  File "/home/paul/cleanroom/cleanroom/main.py", line 98, in run
    main(*sys.argv)
  File "/home/paul/cleanroom/cleanroom/main.py", line 173, in main
    generator.generate_systems(
  File "/home/paul/cleanroom/cleanroom/generator.py", line 108, in generate_systems
    self._report_error(system_name, e, ignore_errors=ignore_errors)
  File "/home/paul/cleanroom/cleanroom/generator.py", line 41, in _report_error
    self._report_error_details(system, exception, ignore_errors=ignore_errors)
  File "/home/paul/cleanroom/cleanroom/generator.py", line 61, in _report_error_details
    raise GenerateError("Generation failed.", original_exception=exception)
cleanroom.exceptions.GenerateError: Error: Generation failed.
    Trigger: 'MKINITCPIO_EXTRA_MODULES'