multiqc failed with error message below

[jianxinwang]

Command error: [INFO ] fastqc : Found 22 reports [INFO ] cutadapt : Found 22 reports [INFO ] fastqc : Found 22 reports [INFO ] samtools : Found 11 stats reports [INFO ] samtools : Found 11 flagstat reports [INFO ] samtools : Found 11 idxstats reports [INFO ] samtools : Found 11 stats reports [INFO ] samtools : Found 11 flagstat reports [INFO ] samtools : Found 11 idxstats reports [INFO ] preseq : Found 11 reports [INFO ] samtools : Found 11 stats reports [INFO ] samtools : Found 11 flagstat reports [INFO ] samtools : Found 11 idxstats reports [INFO ] picard : Found 11 AlignmentSummaryMetrics reports [INFO ] picard : Found 22 BaseDistributionByCycleMetrics reports [INFO ] picard : Found 11 InsertSizeMetrics reports [INFO ] picard : Found 11 MarkDuplicates reports [INFO ] picard : Found 11 QualityByCycleMetrics reports [INFO ] picard : Found 11 QualityScoreDistributionMetrics reports [INFO ] deeptools : Found 22 total deepTools samples [INFO ] feature_counts : Found 11 reports [INFO ] samtools : Found 4 stats reports [INFO ] samtools : Found 4 flagstat reports [INFO ] samtools : Found 4 idxstats reports [ERROR ] multiqc : Oops! The 'picard' MultiQC module broke... Please copy the following traceback and report it at https://github.com/ewels/MultiQC/issues If possible, please include a log file that triggers the error - the last file found was: ./alignment/mergedReplicate/519RBDCDKminusDOX.mRp.clN.MarkDuplicates.metrics.txt

Module picard raised an exception: Traceback (most recent call last): File "/opt/conda/envs/nf-core-atacseq-1.2.2/lib/python3.7/site-packages/multiqc/modules/picard/MarkDuplicates.py", line 137, in parse_reports parsed_data[k] += float(vals[i]) ValueError: could not convert string to float:

During handling of the above exception, another exception occurred:

Traceback (most recent call last): File "/opt/conda/envs/nf-core-atacseq-1.2.2/lib/python3.7/site-packages/multiqc/multiqc.py", line 569, in run output = mod() File "/opt/conda/envs/nf-core-atacseq-1.2.2/lib/python3.7/site-packages/multiqc/modules/picard/picard.py", line 73, in init n['MarkDuplicates'] = MarkDuplicates.parse_reports(self) File "/opt/conda/envs/nf-core-atacseq-1.2.2/lib/python3.7/site-packages/multiqc/modules/picard/MarkDuplicates.py", line 139, in parse_reports parsed_data[k] += " / " + vals[i] TypeError: unsupported operand type(s) for +=: 'float' and 'str'

[INFO ] feature_counts : Found 11 reports [INFO ] multiqc : Compressing plot data [INFO ] multiqc : Report : multiqc_report.html [INFO ] multiqc : Data : multiqc_data [INFO ] multiqc : MultiQC complete