KeyError" "not found"

[ashinandjay]

I try to run the code deepbinner bin --classes classifications --reads fastq/fastq_runid_74754dbc687adce684a7d674b20b70a89ff319aa_0_0.fastq --out_dir demultiplexed_reads

But got following error:
`Loading classifications... done
145 total classifications found

Making output directory: demultiplexed_reads/

Traceback (most recent call last):
File "/usr/local/bin/deepbinner", line 8, in
sys.exit(main())
File "/usr/local/lib/python3.6/site-packages/deepbinner/deepbinner.py", line 64, in main
bin_reads(args)
File "/usr/local/lib/python3.6/site-packages/deepbinner/bin.py", line 32, in bin_reads
write_read_files(args.reads, classifications, out_filenames, input_type)
File "/usr/local/lib/python3.6/site-packages/deepbinner/bin.py", line 146, in write_read_files
out_files[class_name].write(read_line_1)
KeyError: 'not found'
`

Not sure what's wrong. Any help will be appreciated.