AssertionError "dpgen run param.json machine.json task06"

[LSFCFD]

Dear developer,I have sucefully installed dpgen, but I encount this issue when I run my jobs. Ang suggestiosn on it. Thanks!
Description

INFO:dpgen:-------------------------iter.000000 task 01--------------------------
2023-02-22 20:36:42,129 - INFO : info:check_all_finished: False
2023-02-22 20:36:42,135 - INFO : job: c7403857b24685af730cd1dec5a379717f57de6a submit; job_id is 96716
2023-02-22 20:36:42,140 - INFO : job: 5c7c8aef5f18ff1cbab53d34822d81ef5746cd25 submit; job_id is 96719
2023-02-22 20:36:42,145 - INFO : job: 787720024d0fbc341bbf30854a6acea8bc5af5ae submit; job_id is 96724
2023-02-22 20:36:42,150 - INFO : job: a724929364f51761a7aaea29dc2f9793fbb3912e submit; job_id is 96732
2023-02-22 20:51:53,834 - INFO : job: c7403857b24685af730cd1dec5a379717f57de6a 96716 finished
2023-02-22 20:51:54,039 - INFO : job: a724929364f51761a7aaea29dc2f9793fbb3912e 96732 finished
2023-02-22 20:52:54,303 - INFO : job: 5c7c8aef5f18ff1cbab53d34822d81ef5746cd25 96719 finished
2023-02-22 20:52:54,344 - INFO : job: 787720024d0fbc341bbf30854a6acea8bc5af5ae 96724 finished
INFO:dpgen:-------------------------iter.000000 task 02--------------------------
INFO:dpgen:-------------------------iter.000000 task 03--------------------------
INFO:dpgen:-------------------------iter.000000 task 04--------------------------
2023-02-22 20:52:54,394 - INFO : info:check_all_finished: False
2023-02-22 20:52:54,400 - INFO : job: e487ea26fc5a5af219c8ba6992b4f5d985987340 submit; job_id is 102592
2023-02-22 20:52:54,405 - INFO : job: 850a9696a5d32a4e0ed6c45b990fd06afbe60f40 submit; job_id is 102594
2023-02-22 20:53:25,639 - INFO : job: e487ea26fc5a5af219c8ba6992b4f5d985987340 102592 finished
2023-02-22 20:53:25,679 - INFO : job: 850a9696a5d32a4e0ed6c45b990fd06afbe60f40 102594 finished
INFO:dpgen:-------------------------iter.000000 task 05--------------------------
INFO:dpgen:-------------------------iter.000000 task 06--------------------------
INFO:dpgen:system 000 candidate : 1 in 310 0.32 %
INFO:dpgen:system 000 failed : 309 in 310 99.68 %
INFO:dpgen:system 000 accurate : 0 in 310 0.00 %
INFO:dpgen:system 000 accurate_ratio: 0.0000 thresholds: 1.0000 and 1.0000 eff. task min and max -1 20 number of fp tasks: 1
Traceback (most recent call last):
File "/home/user/deepmd-kit/bin/dpgen", line 8, in
sys.exit(main())
File "/home/user/deepmd-kit/lib/python3.10/site-packages/dpgen/main.py", line 185, in main
args.func(args)
File "/home/user/deepmd-kit/lib/python3.10/site-packages/dpgen/generator/run.py", line 3926, in gen_run
run_iter (args.PARAM, args.MACHINE)
File "/home/user/deepmd-kit/lib/python3.10/site-packages/dpgen/generator/run.py", line 3806, in run_iter
make_fp (ii, jdata, mdata)
File "/home/user/deepmd-kit/lib/python3.10/site-packages/dpgen/generator/run.py", line 2969, in make_fp
make_fp_vasp(iter_index, jdata)
File "/home/user/deepmd-kit/lib/python3.10/site-packages/dpgen/generator/run.py", line 2625, in make_fp_vasp
make_fp_vasp_incar(iter_index, jdata, nbands_esti = nbe)
File "/home/user/deepmd-kit/lib/python3.10/site-packages/dpgen/generator/run.py", line 2377, in make_fp_vasp_incar
make_vasp_incar(jdata, 'INCAR')
File "/home/user/deepmd-kit/lib/python3.10/site-packages/dpgen/generator/run.py", line 2279, in make_vasp_incar
assert(os.path.exists(fp_incar_path))
AssertionError

I hope you can give me some tips on what to do next, thank you very much!

[LSFCFD]

set fp_incar to a valid path