MIRTOP_STATS IndexError

[anastasiaprime]

Description of the bug

Hello!

I'm trying to process my small rnaseq data using only R1 reads and always get the same error. What could it be? nextflow.log

I use smrnaseq v2.4.0, nextflow version 24.04.4
I tried dev version, but had the same error.
Command line: nextflow run nf-core/smrnaseq -profile docker --input samplesheet_1.csv --outdir Results_R1_test --fasta /mnt/cephfs8_rw/oncology/refseqs/Homo_sapiens/NCBI/GRCh38/Sequence/WholeGenomeFasta/genome.fa --mirgenedb true --mirgenedb_species Hsa --mirgenedb_mature /mnt/cephfs8_rw/oncology/refseqs/Homo_sapiens/miRNA/hsa.fas --mirgenedb_hairpin /mnt/cephfs8_rw/oncology/refseqs/Homo_sapiens/miRNA/hsa-pre.fas --mirgenedb_gff /mnt/cephfs8_rw/oncology/refseqs/Homo_sapiens/miRNA/hsa.gff --mirtrace_species hsa -c config
Config only for resources (max_cpus, max_memory)
Error:
`ERROR ~ Error executing process > 'NFCORE_SMRNASEQ:MIRNA_QUANT:BAM_STATS_MIRNA_MIRTOP:MIRTOP_STATS (770902000404_S5)'

Caused by:
Process NFCORE_SMRNASEQ:MIRNA_QUANT:BAM_STATS_MIRNA_MIRTOP:MIRTOP_STATS (770902000404_S5) terminated with an error exit status (1)

Command executed:

mirtop
stats

--out stats
770902000404_S5_mirtop.gff

cat <<-END_VERSIONS > versions.yml
"NFCORE_SMRNASEQ:MIRNA_QUANT:BAM_STATS_MIRNA_MIRTOP:MIRTOP_STATS":
mirtop: $(echo $(mirtop --version 2>&1) | sed 's/^.*mirtop //')
END_VERSIONS

Command exit status:
1

Command output:
['stats', '--out', 'stats', '770902000404_S5_mirtop.gff']
Command error:
WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
/opt/conda/lib/python3.12/site-packages/Bio/pairwise2.py:278: BiopythonDeprecationWarning: Bio.pairwise2 has been deprecated, and we intend to remove it in a
future release of Biopython. As an alternative, please consider using Bio.Align.PairwiseAligner as a replacement, and contact the Biopython developers if you
still need the Bio.pairwise2 module.
warnings.warn(
10/15/2024 09:29:02 INFO Run stats.
10/15/2024 09:29:02 INFO Reading: 770902000404_S5_mirtop.gff
Traceback (most recent call last):
File "/opt/conda/bin/mirtop", line 10, in
sys.exit(main())
^^^^^^
File "/opt/conda/lib/python3.12/site-packages/mirtop/command_line.py", line 34, in main
['stats', '--out', 'stats', '770902000404_S5_mirtop.gff']
stats(kwargs["args"])
File "/opt/conda/lib/python3.12/site-packages/mirtop/gff/stats.py", line 38, in stats
out.append(_calc_stats(fn))
^^^^^^^^^^^^^^^
File "/opt/conda/lib/python3.12/site-packages/mirtop/gff/stats.py", line 82, in _calc_stats
df = _summary(lines)
^^^^^^^^^^^^^^^
File "/opt/conda/lib/python3.12/site-packages/mirtop/gff/stats.py", line 130, in _summary
df_sum = _add_missing(df_sum)
^^^^^^^^^^^^^^^^^^^^
File "/opt/conda/lib/python3.12/site-packages/mirtop/gff/stats.py", line 110, in _add_missing
df2 = pd.DataFrame({'category': category, 'sample': df['sample'].iat[0], 'counts': 0}, index=[0])
~~~~~~~~~~~~~~~~^^^
File "/opt/conda/lib/python3.12/site-packages/pandas/core/indexing.py", line 2527, in getitem
return self.obj._get_value(*key, takeable=self._takeable)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/opt/conda/lib/python3.12/site-packages/pandas/core/series.py", line 1234, in _get_value
return self._values[label]
~~~~~~~~~~~~^^^^^^^
IndexError: index 0 is out of bounds for axis 0 with size 0
Work dir:
/mnt/cephfs8_rw/oncology/miRNA/220118_VH00195_67_AAAHV32M5_fastq4/work/39/2e514730d2d4ad416afc2023156668

Tip: you can replicate the issue by changing to the process work dir and entering the command bash .command.run

-- Check '.nextflow.log' file for details
ERROR ~ Pipeline failed. Please refer to troubleshooting docs: https://nf-co.re/docs/usage/troubleshooting

-- Check '.nextflow.log' file for details

`

Command used and terminal output

No response

Relevant files

No response

System information

No response

[atrigila]

Hi! Thank you for reporting this bug. I think I know where the issue is and I am working on a solution. Just to confirm, could you please run the same command but without the --mirtrace_species hsa flag? Thank you!

[anastasiaprime]

Hi @atrigila ! I run the command as you asked and the pipeline completed successfully, but Mirtrace and Mirtop didn't run

[atrigila]

The mirtop step requires both the mirtrace_species and its corresponding mirtrace gff file. If mirtrace_species is provided but the mirtrace gff is not supplied, the pipeline still attempts to run mirtop, which results in an error. This occurs because mirtop expects input data that depends on the presence of a valid GFF file for the specified mirtrace_species. Without this, the tool cannot properly process the data and fails.

mirtop was also not available for runs with using mirgenedb even in previous versions of the pipeline v2.3.1, which required --mirtrace_species to be present, for example:

smrnaseq/subworkflows/local/mirna_quant.nf

Lines 98 to 105 in 5901bea

	if (params.mirtrace_species){
	MIRTOP_QUANT ( BOWTIE_MAP_SEQCLUSTER.out.bam.collect{it[1]}, FORMAT_HAIRPIN.out.formatted_fasta.collect{it[1]}, gtf )
	ch_mirtop_logs = MIRTOP_QUANT.out.logs
	ch_versions = ch_versions.mix(MIRTOP_QUANT.out.versions)
	TABLE_MERGE ( MIRTOP_QUANT.out.mirtop_table )
	ch_versions = ch_versions.mix(TABLE_MERGE.out.versions)
	}

This same behavior can be reproduced in older versions of the pipeline (nextflow run smnrnaseq -profile test_mirgenedb,docker --outdir test_mirgenedb_old --mirtrace_species hsa, commit id f8fd872034e214fe922118275cdfdf6e498a7f5c)

I will update documentation to clearly state that mirtop supports mirtrace inputs only and emit warnings in the code. I also contacted mirtop developers to see if there is a workaround using mirgenedb inputs. I'll add in this issue if I have any updates.

[atrigila]

@anastasiaprime the issue should be solved now, but let us know if you have any additional questions. Just take into account that when using MirgeneDB inputs mirtop is hard-coded to use the pre sequences, which originate from the hairpin FASTA, rather than the pri sequences, which come from the mature FASTA. Users must provide pre files from the start to ensure consistency between the FASTA and GFF files, as the coordinates in the GFF file are referenced to pre sequences. This also ensures that names in the BAM file will match those in the GFF.

[epfarias]

Hello, happy holidays to all!!

I'm going through the same problem; however, I'm not using the mirGeneDB information, I'm using the flag --genome GRCh38 and putting the flag --mirtrace_species hsa and also the flag mirna_gtf hsa.gff3, which I downloaded from the miRBase. I've tried to run without the mirna_gtf flag but returned an error saying the flag is necessary to run the pipeline.

I'm using the smrnaseq v2.4.0 and nextflow version 24.10.1 build 5930.

Command line: nextflow run nf-core/smrnaseq --input ./samplesheet.csv --outdir ./results --genome GRCh38 -profile singularity --mirtrace_species hsa --mirna_gtf hsa.gff3 -with-tower

The error returned by the pipeline:

> The exit status of the task that caused the workflow execution to fail was: 1
> 
> Error executing process > 'NFCORE_SMRNASEQ:MIRNA_QUANT:BAM_STATS_MIRNA_MIRTOP:MIRTOP_STATS (SRR7419121)'
> 
> Caused by:
>   Process `NFCORE_SMRNASEQ:MIRNA_QUANT:BAM_STATS_MIRNA_MIRTOP:MIRTOP_STATS (SRR7419121)` terminated with an error exit status (1)
> 
> 
> Command executed:
> 
>   mirtop \
>       stats \
>        \
>       --out stats \
>       SRR7419121_mirtop.gff
>   
>   cat <<-END_VERSIONS > versions.yml
>   "NFCORE_SMRNASEQ:MIRNA_QUANT:BAM_STATS_MIRNA_MIRTOP:MIRTOP_STATS":
>       mirtop: $(echo $(mirtop --version 2>&1) | sed 's/^.*mirtop //')
>   END_VERSIONS
> 
> Command exit status:
>   1
> 
> Command output:
>   ['stats', '--out', 'stats', 'SRR7419121_mirtop.gff']
> 
> Command error:
>   /opt/conda/lib/python3.12/site-packages/Bio/pairwise2.py:278: BiopythonDeprecationWarning: Bio.pairwise2 has been deprecated, and we intend to remove it in a future release of Biopython. As an alternative, please consider using Bio.Align.PairwiseAligner as a replacement, and contact the Biopython developers if you still need the Bio.pairwise2 module.
>     warnings.warn(
>   12/23/2024 11:59:59 INFO Run stats.
>   12/23/2024 11:59:59 INFO Reading: SRR7419121_mirtop.gff
>   Traceback (most recent call last):
>     File "/opt/conda/bin/mirtop", line 10, in <module>
>       sys.exit(main())
>                ^^^^^^
>     File "/opt/conda/lib/python3.12/site-packages/mirtop/command_line.py", line 34, in main
>       stats(kwargs["args"])
>     File "/opt/conda/lib/python3.12/site-packages/mirtop/gff/stats.py", line 38, in stats
>       out.append(_calc_stats(fn))
>                  ^^^^^^^^^^^^^^^
>     File "/opt/conda/lib/python3.12/site-packages/mirtop/gff/stats.py", line 82, in _calc_stats
>       df = _summary(lines)
>            ^^^^^^^^^^^^^^^
>     File "/opt/conda/lib/python3.12/site-packages/mirtop/gff/stats.py", line 130, in _summary
>       df_sum = _add_missing(df_sum)
>                ^^^^^^^^^^^^^^^^^^^^
>     File "/opt/conda/lib/python3.12/site-packages/mirtop/gff/stats.py", line 110, in _add_missing
>       df2 = pd.DataFrame({'category': category, 'sample': df['sample'].iat[0], 'counts': 0}, index=[0])
>                                                           ~~~~~~~~~~~~~~~~^^^
>     File "/opt/conda/lib/python3.12/site-packages/pandas/core/indexing.py", line 2527, in __getitem__
>       return self.obj._get_value(*key, takeable=self._takeable)
>              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>     File "/opt/conda/lib/python3.12/site-packages/pandas/core/series.py", line 1234, in _get_value
>       return self._values[label]
>              ~~~~~~~~~~~~^^^^^^^
>   IndexError: index 0 is out of bounds for axis 0 with size 0
> 
> Work dir:
>   /mnt/beegfs/scratch/eddffilho/Collabs/Thyroid_miRNA/Raw_data/work/84/1ae41e3a345a6ea55cd999fc2df43e
> 
> Container:
>   /home/eddffilho/scratch/singularity_images/community.wave.seqera.io-library-mirtop_pybedtools_pysam_samtools_pruned-60b8208f3dbb2910.img
> 
> Tip: you can replicate the issue by changing to the process work dir and entering the command `bash .command.run`

[atrigila]

Hi @epfarias , I think I was able to replicate your error using public data:
nextflow run smrnaseq/ -profile singularity --outdir here --genome GRCh38 --input https://github.com/nf-core/test-datasets/raw/smrnaseq/samplesheet/v2.0/samplesheet_skipfastp.csv --mirna_gtf https://github.com/nf-core/test-datasets/raw/smrnaseq/reference/hsa.gff3

Error:

ERROR ~ Error executing process > 'NFCORE_SMRNASEQ:MIRNA_QUANT:BAM_STATS_MIRNA_MIRTOP:MIRTOP_STATS (Clone1_N1)'

Caused by:
  Process `NFCORE_SMRNASEQ:MIRNA_QUANT:BAM_STATS_MIRNA_MIRTOP:MIRTOP_STATS (Clone1_N1)` terminated with an error exit status (1)


Command executed:

  mirtop \
      stats \
       \
      --out stats \
      Clone1_N1_mirtop.gff
  
  cat <<-END_VERSIONS > versions.yml
  "NFCORE_SMRNASEQ:MIRNA_QUANT:BAM_STATS_MIRNA_MIRTOP:MIRTOP_STATS":
      mirtop: $(echo $(mirtop --version 2>&1) | sed 's/^.*mirtop //')
  END_VERSIONS

Command exit status:
  1

Command output:
  (empty)

Command error:
  INFO:    Environment variable SINGULARITYENV_NXF_TASK_WORKDIR is set, but APPTAINERENV_NXF_TASK_WORKDIR is preferred
  INFO:    Environment variable SINGULARITYENV_NXF_DEBUG is set, but APPTAINERENV_NXF_DEBUG is preferred
  WARNING: Error getting executable path, using default: readlink /proc/self/exe: no such file or directory
  .command.run: line 150: /proc/cpuinfo: No such file or directory
  .command.run: line 151: /proc/cpuinfo: No such file or directory
  grep: /proc/stat: No such file or directory
  .command.run: line 162: /dev/fd/63: No such file or directory
  .command.run: line 162: mem_proc: unbound variable

Work dir:
  /workspace/work/69/2c3d5a589b641e0b2c7ea57d09a857

Container:
  /workspace/work/singularity/community.wave.seqera.io-library-mirtop_pybedtools_pysam_samtools_pruned-60b8208f3dbb2910.img

Tip: you can replicate the issue by changing to the process work dir and entering the command `bash .command.run`

 -- Check '.nextflow.log' file for details
ERROR ~ Pipeline failed. Please refer to troubleshooting docs: https://nf-co.re/docs/usage/troubleshooting

 -- Check '.nextflow.log' file for details

The error is not exactly the same. We will have a look into this and add any updates in this ticket.

[atrigila]

@epfarias please try running the latest dev version to see if you still encounter the error:
nextflow run nf-core/smrnaseq --input ./samplesheet.csv --outdir ./results --genome GRCh38 -profile singularity --mirtrace_species hsa --mirna_gtf hsa.gff3 -with-tower -r dev