Verbose => 1

With -verbose => 1

------------- EXCEPTION: Bio::Root::Exception -------------
MSG: /usr/local/blast+/bin/blastn call crashed: There was a problem running /usr
/local/blast+/bin/blastn : BLAST Database error: Nucleotide BLAST database './nt
' does not exist in the NCBI servers

STACK: Error::throw
STACK: Bio::Root::Root::throw /home/lupey/downloads/bioperl/bioperl-live/Bio/Roo
t/Root.pm:472
STACK: Bio::Tools::Run::WrapperBase::_run /home/lupey/downloads/bioperl/bioperl-
live/Bio/Tools/Run/WrapperBase/CommandExts.pm:1012
STACK: Bio::Tools::Run::StandAloneBlastPlus::AUTOLOAD /home/lupey/downloads/biop
erl/bioperl-run/lib/Bio/Tools/Run/StandAloneBlastPlus.pm:1303
STACK: Bio::Tools::Run::StandAloneBlastPlus::run /home/lupey/downloads/bioperl/b
ioperl-run/lib/Bio/Tools/Run/StandAloneBlastPlus/BlastMethods.pm:264
STACK: Bio::Tools::Run::StandAloneBlastPlus::AUTOLOAD /home/lupey/downloads/biop
erl/bioperl-run/lib/Bio/Tools/Run/StandAloneBlastPlus.pm:1301
STACK: ./myblastplus.pl:10
-----------------------------------------------------------