ValueError: too many values to unpack

[husamia]

What is the error about

docker run -it --rm -v E:\miso:/home -w /home 8c213df45732 -b run0124_CDAR-016_human37_align.bam -c 17:42398010-42399363 -g SLC25A39-004-ENST00000591006.1.gtf
Traceback (most recent call last):
File "/sashimi-plot.py", line 632, in
transcripts, exons = read_gtf(args.gtf, args.coordinates)
File "/sashimi-plot.py", line 285, in read_gtf
el_chr, _, el, el_start, el_end, _, strand, _, tags = line.strip().split("\t")
ValueError: too many values to unpack