sample_name.rnaseqmetrics.dat: No such file or directory

[biomesser]

Hi!
Please tell me why sample_name.rnaseqmetrics.dat file is missing?

When i run command ./RNAseq_qc.pl sample_list.txt confirgure.txt i get the error:

MCsham1/
cat: MCsham1/.rnaseqmetrics.dat: No such file or directory
cat: MCsham1/.dupmetrics.dat: No such file or directory
MCsham2
cat: MCsham2.rnaseqmetrics.dat: No such file or directory
cat: MCsham2.dupmetrics.dat: No such file or directory
MCsham3
cat: MCsham3.rnaseqmetrics.dat: No such file or directory
cat: MCsham3.dupmetrics.dat: No such file or directory

Thanks!