FATAL - duplicate contig id

[joao1980]

Hi, I have tested the tool in several genomes without a problem. However, for some genomes I get the following error. Any ideas on how to debug this issue? I generated all files and config files in the same manner,
Thanks.
Joao

INFO - GCF_000835235.1: 5958 feature(s) and 5675189 bp of sequence
INFO - GCF_000835235.1: 371 feature(s) and 412022 bp of sequence
INFO - GCF_000835235.1: 312 feature(s) and 317336 bp of sequence
INFO - GCF_000835235.1: 105 feature(s) and 82528 bp of sequence
INFO - GCF_000835235.1: 93 feature(s) and 82303 bp of sequence
INFO - GCF_000835235.1: 89 feature(s) and 80285 bp of sequence
INFO - GCF_000835235.1: 71 feature(s) and 69317 bp of sequence
INFO - GCF_000835235.1: 72 feature(s) and 46634 bp of sequence
INFO - GCF_000835235.1: 37 feature(s) and 34150 bp of sequence
INFO - GCF_000835235.1: 30 feature(s) and 18232 bp of sequence
INFO - GCF_000835235.1: 24 feature(s) and 14889 bp of sequence
INFO - GCF_000835235.1: 10 feature(s) and 8513 bp of sequence
INFO - GCF_000835235.1: 10 feature(s) and 8279 bp of sequence
INFO - GCF_000835235.1: 10 feature(s) and 7635 bp of sequence
INFO - GCF_000835235.1: 4 feature(s) and 2062 bp of sequence
INFO - read 15 contig(s) from 1 input annotation and/or sequence file(s)
FATAL - duplicate contig id GCF_000835235.1 for contig #1
duplicate contig id GCF_000835235.1 for contig #1 at /usr/local/bin/circleator line 672