I am running this pipeline per sample and get this error:

ERROR ~ Error executing process > 'NFCORE_CIRCRNA:CIRCRNA:BSJ_DETECTION:COMBINE_COUNTS_PER_TOOL (circexplorer2)'

Caused by:
Process NFCORE_CIRCRNA:CIRCRNA:BSJ_DETECTION:COMBINE_COUNTS_PER_TOOL (circexplorer2) terminated with an error exit status (255)

Command executed:

csvtk
join
-f 1 -t -O
--num-cpus 1
--out-file circexplorer2.csv
S2-058-00002.counts.tsv

cat <<-END_VERSIONS > versions.yml
"NFCORE_CIRCRNA:CIRCRNA:BSJ_DETECTION:COMBINE_COUNTS_PER_TOOL":
csvtk: $(echo $( csvtk version | sed -e "s/csvtk v//g" ))
END_VERSIONS

Command exit status:
255

Command output:
(empty)

Command error:
[ERRO] two or more files needed

Could you please advice?