Wht i :Leaderf cppInclude<CR> get this error?

[Freed-Wu]

|| Error detected while processing function
|| leaderf#Any#start[4]
|| leaderf#LfPy[1]
|| provider#python3#Call[18]
|| Error invoking 'python_execute' on channel 19 (python3-script-host):
|| Traceback (most recent call last):
||   File "<string>", line 1, in <module>
||   File "/home/wzy/.vim/repos/github.com/Yggdroot/LeaderF/autoload/leaderf/python/leaderf/anyExpl.py", line 797, in start
||     the_args.start(arguments, *args, **kwargs)
||   File "/home/wzy/.vim/repos/github.com/Yggdroot/LeaderF/autoload/leaderf/python/leaderf/anyExpl.py", line 703, in _default_action
||     manager_id = lfFunction(lfEval("g:Lf_PythonExtensions['%s'].manager_id" % category))()
||   File "/home/wzy/.local/lib64/python3.6/site-packages/pynvim/plugin/script_host.py", line 207, in eval
||     obj = self.request("vim_eval", expr)
||   File "/home/wzy/.local/lib64/python3.6/site-packages/pynvim/api/nvim.py", line 182, in request
||     res = self._session.request(name, *args, **kwargs)
||   File "/home/wzy/.local/lib64/python3.6/site-packages/pynvim/msgpack_rpc/session.py", line 104, in request
||     raise self.error_wrapper(err)
|| pynvim.api.common.NvimError: Vim:E716: Key not present in Dictionary: manager_id

Thanks!