ERROR: Not recording undo for failed action Manual edit of memory 4
ERROR: <function ChirpMemEdit._memory_edited at 0x0000028F28673EB0> raised unexpected exception
Traceback (most recent call last):
  File "E:\OpenSource\chirp\chirp\wxui\common.py", line 657, in run_safe
    return fn(*args, **kwargs)
  File "E:\OpenSource\chirp\chirp\wxui\memedit.py", line 1951, in _memory_edited
    self.set_memory(mem)
  File "E:\OpenSource\chirp\chirp\wxui\memedit.py", line 1590, in set_memory
    self.do_radio(set_cb, 'set_memory', chirp_common.FrozenMemory(mem))
  File "E:\OpenSource\chirp\chirp\chirp_common.py", line 678, in FrozenMemory
    return _FrozenMemory(source)
  File "E:\OpenSource\chirp\chirp\chirp_common.py", line 654, in __init__
    setattr(self, k, v)
  File "E:\OpenSource\chirp\chirp\chirp_common.py", line 670, in __setattr__
    super().__setattr__(k, v)
  File "E:\OpenSource\chirp\chirp\chirp_common.py", line 412, in __setattr__
    raise ImmutableValueError("Field %s is not " % name +
chirp.chirp_common.ImmutableValueError: Field extra is not mutable on this memory