Error when contrast is blocking by multiple variables

[clstacy]

Description of the bug

Contrasts that have multiple blocking variables separated by ";" results in an error where the corresponding file is not found, appears the ";" is not being replaced with a "_" in the file name.

Command used and terminal output

nextflow run nf-core/differentialabundance \
	-profile singularity \
	-r 1.0.1 \
	--input samplesheet.csv \
	--contrasts contrasts.csv \
	--matrix rsem.merged.gene_counts.tsv \
	--gtf ensembl_genome/S288C.gtf \
        -w work_core \
	--features_id_col 'gene_id' \
	--outdir results_test \
	-resume


# content of .command.err;  occurred during chunk 8 of Rmd knitting.
processing file: study.Rmd
Quitting from lines 307-342 (study.Rmd) 
Error in FUN(X[[i]], ...) : 
  Differential file .//genotype-WT-GENE-strain;stress.deseq2.results.tsv does not exist
Calls: <Anonymous> ... eval_with_user_handlers -> eval -> eval -> lapply -> lapply -> FUN
Execution halted

Relevant files

No response

System information

Nextflow version 22.10.1
Hardware: HPC
Executor: slurm
Container engine: Singularity
OS: Linux
Version: nf-core/differentialabundance 1.0.1