I get error when I start the bot

[finalfanx]

C:\Users\Admin\Desktop\bombly>python dfly-loader-wsr.py Traceback (most recent call last): File "dfly-loader-wsr.py", line 23, in from dragonfly.engines.backend_sapi5.engine import Sapi5InProcEngine File "C:\Python27\lib\site-packages\dragonfly-0.6.6b1-py2.7.egg\dragonfly__init.py", line 33, in from .grammar.rulemapping import MappingRule File "C:\Python27\lib\site-packages\dragonfly-0.6.6b1-py2.7.egg\dragonfly\grammar\rule mapping.py", line 81, in from ..actions.actions import ActionBase File "C:\Python27\lib\site-packages\dragonfly-0.6.6b1-py2.7.egg\dragonfly\actions\ini t__.py", line 23, in from .action_key import Key File "C:\Python27\lib\site-packages\dragonfly-0.6.6b1-py2.7.egg\dragonfly\actions\actio n_key.py", line 181, in from .typeables import typeables File "C:\Python27\lib\site-packages\dragonfly-0.6.6b1-py2.7.egg\dragonfly\actions\typea bles.py", line 35, in "a": keyboard.get_typeable(char='a'), File "C:\Python27\lib\site-packages\dragonfly-0.6.6b1-py2.7.egg\dragonfly\actions\keybo ard.py", line 144, in get_typeable code, modifiers = cls.get_keycode_and_modifiers(char) File "C:\Python27\lib\site-packages\dragonfly-0.6.6b1-py2.7.egg\dragonfly\actions\keybo ard.py", line 132, in get_keycode_and_modifiers raise ValueError("Unknown char: %r" % char) ValueError: Unknown char: 'a'