Problems of the setting for my_qadapter.yaml with torque

I have met a problem when I run the test.

(firework) [user@master test_c] atwf add -l vasp -p wf_structure_optimization POSCAR** 2020-06-15 21:47:36,748 INFO Added a workflow. id_map: {-1: 1} (firework) [user@master test_c] lpad get_wflows
“state”: “READY”,
“name”: “C–1”,
“created_on”: “2020-06-15T13:47:36.733000”,
“states_list”: “REA”
(firework) [user@master test_c]$ qlaunch rapidfire -m 1
2020-06-15 21:48:07,508 INFO getting queue adapter
2020-06-15 21:48:07,508 INFO Found previous block, using /home/user/dujiayi/firework_test/test_c/block_2020-06-13-14-39-55-907798
2020-06-15 21:48:07,530 INFO The number of jobs currently in the queue is: 0
2020-06-15 21:48:07,530 INFO 0 jobs in queue. Maximum allowed by user: 1
2020-06-15 21:48:08,493 INFO Launching a rocket!
2020-06-15 21:48:08,497 INFO Created new dir /home/user/dujiayi/firework_test/test_c/block_2020-06-13-14-39-55-907798/launcher_2020-06-15-13-48-08-497468
2020-06-15 21:48:08,497 INFO moving to launch_dir /home/user/dujiayi/firework_test/test_c/block_2020-06-13-14-39-55-907798/launcher_2020-06-15-13-48-08-497468
/home/user/app/anaconda3/envs/firework/lib/python3.7/site-packages/fireworks/queue/ UserWarning: Key nodes has been specified in qadapter but it is not present in template, please check template (/home/user/app/anaconda3/envs/firework/lib/python3.7/site-packages/fireworks/user_objects/queue_adapters/PBS_template.txt) for supported keys.
** .format(subs_key, self.template_file))

How do I solve the userwarining?
The content of my_qadapter.yaml is listed below
_fw_name: CommonAdapter
_fw_q_type: PBS
rocket_launch: rlaunch -c /home/user/app/anaconda3/envs/firework/config rapidfire
nodes: 1
walltime: 240:00:00
queue: null
account: null
job_name: null
pre_rocket: null
post_rocket: null
logdir: /home/user/app/anaconda3/envs/firework/logs

I have solve the problem