Error in test.sh

[wyim-pgl]

During bbmap_indexgenome step in test.sh, got below error.
Can you please check?

Finished job 5.
6 of 48 steps (12%) done
ImproperOutputException in line 189 of /data/gpfs/assoc/pgl/data/Dylan/potato_cas9/crispr_DART/snakefile.py:
Outputs of incorrect type (directories when expecting files or vice versa). Output directories must be flagged with directory(). for rule bbmap_indexgenome:
/data/gpfs/assoc/pgl/data/Dylan/potato_cas9/crispr_DART/output_test/bbmap_indexes/chrI_II
  File "/data/gpfs/home/wyim/scratch/bin/miniconda3/envs/crispr_dart/lib/python3.6/site-packages/snakemake/executors/__init__.py", line 581, in handle_job_success
  File "/data/gpfs/home/wyim/scratch/bin/miniconda3/envs/crispr_dart/lib/python3.6/site-packages/snakemake/executors/__init__.py", line 259, in handle_job_success
Removing output files of failed job bbmap_indexgenome since they might be corrupted:
/data/gpfs/assoc/pgl/data/Dylan/potato_cas9/crispr_DART/output_test/bbmap_indexes/chrI_II
Skipped removing non-empty directory /data/gpfs/assoc/pgl/data/Dylan/potato_cas9/crispr_DART/output_test/bbmap_indexes/chrI_II
Shutting down, this might take some time.
Exiting because a job execution failed. Look above for error message
Complete log: /data/gpfs/assoc/pgl/data/Dylan/potato_cas9/crispr_DART/.snakemake/log/2023-06-08T143842.546646.snakemake.log

Thanks.