OSError: [Errno 5] Input/output error

[lappazos]

i had this issue at the end of my run. what can i do?

Saving trimmed reads to barcode-specific files
pigz not found - using gzip to compress
Traceback (most recent call last):
File "/usr/local/bin/porechop", line 11, in
load_entry_point('porechop==0.2.4', 'console_scripts', 'porechop')()
File "/usr/local/lib/python3.6/dist-packages/porechop/porechop.py", line 79, in main
args.discard_unassigned)
File "/usr/local/lib/python3.6/dist-packages/porechop/porechop.py", line 672, in output_reads
barcode_files[barcode_name].write(read_str)
OSError: [Errno 5] Input/output error