Off topic:abyss-3.sam.gz (GALAXY ERROR RUNNING COMMAND)

Question

[minh.le67]

Galaxy abyss-pe wrappers.

/home/shed_tools/__/repos/edward-kirton/abyss_toolsuite/__/abyss_toolsuite/abyss/

[abyss-pe_wrapper.pl]
# GET ARGS
my $kmer_size=shift @ARGV;
my $min_num_pairs=shift @ARGV;
my $outdir=shift @ARGV;
my $outfile=shift @ARGV;
my $contigs_outfile=shift @ARGV;
my $sam_outfile=shift @ARGV;
my $hist_outfile=shift @ARGV;

Galaxy Abyss paired-end
ERROR RUNNING COMMAND: gunzip /home/galaxy/databasejob_working_directory/000/76/dataset_137_files/abyss-3.sam.gz

No such file

?? I'm not sure why the err msg is generated?

Thanks so much for your help. Have a pleasant day.