While downloading BNG_RESULTS from stdb database (PALK Sri Lanka); this error occur

[DasSenana]

File "/home/vboxuser/anaconda3/envs/orient/bin/bng_calc_auto", line 8, in
sys.exit(main())
File "/home/vboxuser/anaconda3/envs/orient/lib/python3.7/site-packages/orientpy/scripts/bng_calc_auto.py", line 534, in main
bp=args.bp, showplot=args.showplot)
File "/home/vboxuser/anaconda3/envs/orient/lib/python3.7/site-packages/orientpy/classes.py", line 397, in calc
tr1 = stdata.select(component='1')[0].copy()
File "/home/vboxuser/anaconda3/envs/orient/lib/python3.7/site-packages/obspy/core/stream.py", line 643, in getitem
return self.traces.getitem(index)
IndexError: list index out of range