Bowtie exits with error line 341 on SSPACE v2

Question

[freuv]

Building Bowtie index for contigs Bowtie-build error; -1 at sspace_basic/bin/ExtendOrFormatContigs.pl line 341.

Any help would be much appreciated!

Line 341 for reference,

system("bowtie-build $contigFile bowtieoutput/$bowtieout --quiet --noref") == 0 || die "\nBowtie-build error; $?"; # returns exit status values