'Problem with agat_sp_extract_sequences.pl

I did a genome prediction with Genemark and I am trying to extract sequences from GTF file obtained. I am using AGAT agat_sp_extract_sequences.pl command following the instruction provided by the help page but it is not working.

As output file I am obtaining this:

6637_t gene=6637_g seq_id="tig00055503 len=4381251 reads=16212 covStat=7603.97 gappedBases=no class=contig suggestRepeat=no suggestCircular=no" type=cds

6638_t gene=6638_g seq_id="tig00055503 len=4381251 reads=16212 covStat=7603.97 gappedBases=no class=contig suggestRepeat=no suggestCircular=no" type=cds

6639_t gene=6639_g seq_id="tig00055503 len=4381251 reads=16212 covStat=7603.97 gappedBases=no class=contig suggestRepeat=no suggestCircular=no" type=cds

6640_t gene=6640_g seq_id="tig00055503 len=4381251 reads=16212 covStat=7603.97 gappedBases=no class=contig suggestRepeat=no suggestCircular=no" type=cds

with no DNA sequences.

Did someone have an idea about why it happens?

Thanks for your help.

gff


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