gtf2bed.py: not enough values to unpack (expected 9, got 1)

[yadavbha]

I got the following error,

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Error executing process > 'gtf2bed (mmus.GRCm38.100.gtf)'

Caused by:
Process gtf2bed (mmus.GRCm38.100.gtf) terminated with an error exit status (1)

Command executed:

gtf2bed.py mmus.GRCm38.100.gtf | sort -k1,1 -k2,2n > mmus.GRCm38.100.3utr.bed

Command exit status:
1

Command output:
(empty)

Command error:
Traceback (most recent call last):
File "/slamseq/bin/gtf2bed.py", line 43, in
chr, source, feature, start, end, score, strand, frame, attributes = line.rstrip().split('\t')
ValueError: not enough values to unpack (expected 9, got 1)

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