An error when DPGEN run train step

[nzynpu]

When I run dpgen run on the server, I get the following error

Traceback (most recent call last):
File "/public/home/sugon/deepmd-kit/envs/deepmd/bin/dpgen", line 8, in
sys.exit(main())
File "/public/home/sugon/deepmd-kit/lib/python3.10/site-packages/dpgen/main.py", line 233, in main
args.func(args)
File "/public/home/sugon/deepmd-kit/lib/python3.10/site-packages/dpgen/generator/run.py", line 5109, in gen_run
run_iter(args.PARAM, args.MACHINE)
File "/public/home/sugon/deepmd-kit/lib/python3.10/site-packages/dpgen/generator/run.py", line 4440, in run_iter
run_train(ii, jdata, mdata)
File "/public/home/sugon/deepmd-kit/lib/python3.10/site-packages/dpgen/generator/run.py", line 763, in run_train
submission = make_submission(
File "/public/home/sugon/deepmd-kit/lib/python3.10/site-packages/dpgen/dispatcher/Dispatcher.py", line 24, in make_submission
if mdata_machine["local_root"] != "./":
KeyError: 'local_root'

Here is my machine file：