error when hisat2 mapping sort bam file

[hust-yyan]

[hust-yyan]

hi when i run circexplorer3 in raw fastq file, I encountered the following error and this is my running code: ~/.conda/envs/yyan3.7/bin/clear_quant -1 $b1 -2 $b2 -g $ref
-i $hisat -j $hisat -G $gtf -o /data1/yyan_tmp/LUNG_CANCER/analysis/CircRNA/CLEAR_output thanks!