circexplorer2 error

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?