Sorry for the delay. I could run the Perl module with some files and I was working on that. With anothers I'm having the same problem of this issue. I add your suggestion for the EDIT part in 'Finder.pm' file and I recieved the following error comments.
Global symbol "@hd_matrix" requires explicit package name (did you for
+get to declare "my @hd_matrix"?) at /home/roarce/perl5/perlbrew/perls
+/perl-5.28.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 477.
Global symbol "$oligo_indice" requires explicit package name (did you
+forget to declare "my $oligo_indice"?) at /home/roarce/perl5/perlbrew
+/perls/perl-5.28.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 482.
Global symbol "$oligo_indice" requires explicit package name (did you
+forget to declare "my $oligo_indice"?) at /home/roarce/perl5/perlbrew
+/perls/perl-5.28.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 483.
Global symbol "@hd_sum" requires explicit package name (did you forget
+ to declare "my @hd_sum"?) at /home/roarce/perl5/perlbrew/perls/perl-
+5.28.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 486.
Global symbol "$self" requires explicit package name (did you forget t
+o declare "my $self"?) at /home/roarce/perl5/perlbrew/perls/perl-5.28
+.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 488.
Global symbol "$n_bkgd_seq" requires explicit package name (did you fo
+rget to declare "my $n_bkgd_seq"?) at /home/roarce/perl5/perlbrew/per
+ls/perl-5.28.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 490.
Global symbol "$self" requires explicit package name (did you forget t
+o declare "my $self"?) at /home/roarce/perl5/perlbrew/perls/perl-5.28
+.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 492.
Global symbol "@hd_sum" requires explicit package name (did you forget
+ to declare "my @hd_sum"?) at /home/roarce/perl5/perlbrew/perls/perl-
+5.28.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 493.
Global symbol "$self" requires explicit package name (did you forget t
+o declare "my $self"?) at /home/roarce/perl5/perlbrew/perls/perl-5.28
+.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 502.
Global symbol "$self" requires explicit package name (did you forget t
+o declare "my $self"?) at /home/roarce/perl5/perlbrew/perls/perl-5.28
+.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 503.
Global symbol "$self" requires explicit package name (did you forget t
+o declare "my $self"?) at /home/roarce/perl5/perlbrew/perls/perl-5.28
+.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 504.
Global symbol "@hd_sum" requires explicit package name (did you forget
+ to declare "my @hd_sum"?) at /home/roarce/perl5/perlbrew/perls/perl-
+5.28.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 504.
Global symbol "$self" requires explicit package name (did you forget t
+o declare "my $self"?) at /home/roarce/perl5/perlbrew/perls/perl-5.28
+.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 505.
Global symbol "$self" requires explicit package name (did you forget t
+o declare "my $self"?) at /home/roarce/perl5/perlbrew/perls/perl-5.28
+.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 506.
Global symbol "$self" requires explicit package name (did you forget t
+o declare "my $self"?) at /home/roarce/perl5/perlbrew/perls/perl-5.28
+.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 507.
Global symbol "$self" requires explicit package name (did you forget t
+o declare "my $self"?) at /home/roarce/perl5/perlbrew/perls/perl-5.28
+.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 509.
Global symbol "$self" requires explicit package name (did you forget t
+o declare "my $self"?) at /home/roarce/perl5/perlbrew/perls/perl-5.28
+.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 514.
Global symbol "$self" requires explicit package name (did you forget t
+o declare "my $self"?) at /home/roarce/perl5/perlbrew/perls/perl-5.28
+.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 515.
Global symbol "$self" requires explicit package name (did you forget t
+o declare "my $self"?) at /home/roarce/perl5/perlbrew/perls/perl-5.28
+.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 516.
Global symbol "$self" requires explicit package name (did you forget t
+o declare "my $self"?) at /home/roarce/perl5/perlbrew/perls/perl-5.28
+.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 517.
Global symbol "$self" requires explicit package name (did you forget t
+o declare "my $self"?) at /home/roarce/perl5/perlbrew/perls/perl-5.28
+.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 519.
Global symbol "$self" requires explicit package name (did you forget t
+o declare "my $self"?) at /home/roarce/perl5/perlbrew/perls/perl-5.28
+.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 522.
Global symbol "$self" requires explicit package name (did you forget t
+o declare "my $self"?) at /home/roarce/perl5/perlbrew/perls/perl-5.28
+.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 530.
Global symbol "$self" requires explicit package name (did you forget t
+o declare "my $self"?) at /home/roarce/perl5/perlbrew/perls/perl-5.28
+.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 531.
Global symbol "$self" requires explicit package name (did you forget t
+o declare "my $self"?) at /home/roarce/perl5/perlbrew/perls/perl-5.28
+.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 532.
Global symbol "$self" requires explicit package name (did you forget t
+o declare "my $self"?) at /home/roarce/perl5/perlbrew/perls/perl-5.28
+.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 533.
Global symbol "$self" requires explicit package name (did you forget t
+o declare "my $self"?) at /home/roarce/perl5/perlbrew/perls/perl-5.28
+.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 534.
Global symbol "$self" requires explicit package name (did you forget t
+o declare "my $self"?) at /home/roarce/perl5/perlbrew/perls/perl-5.28
+.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 535.
Global symbol "$self" requires explicit package name (did you forget t
+o declare "my $self"?) at /home/roarce/perl5/perlbrew/perls/perl-5.28
+.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 536.
Global symbol "$self" requires explicit package name (did you forget t
+o declare "my $self"?) at /home/roarce/perl5/perlbrew/perls/perl-5.28
+.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 537.
Global symbol "$self" requires explicit package name (did you forget t
+o declare "my $self"?) at /home/roarce/perl5/perlbrew/perls/perl-5.28
+.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 538.
Unmatched right curly bracket at /home/roarce/perl5/perlbrew/perls/per
+l-5.28.0/lib/site_perl/5.28.0/Seeder/Finder.pm line 539, at end of li
+ne
/home/roarce/perl5/perlbrew/perls/perl-5.28.0/lib/site_perl/5.28.0/See
+der/Finder.pm has too many errors.
Compilation failed in require at - line 1.
BEGIN failed--compilation aborted at - line 1.
I really appreciate your help, thanks in advance.
Rocío