my $target=1;
my $blastfactory = new Bio::Tools::Run::RemoteBlast ('-prog' => $prog,
							'-data'      => $db,
							'-expect'    => $expect,
							'readmethod' => $method,
							'max_target_seqs' =>$target);
								

Can't locate object method "new" via package "Bio::Tools::Run::RemoteBlast" (perhaps you forgot to load "Bio::Tools::Run::RemoteBlast"?) at line 2.