Ruben Ladeira
01/15/2026, 9:01 AMERROR ~ Error executing process > 'NFCORE_MAG:MAG:ASSEMBLY:SHORTREAD_ASSEMBLY:MEGAHIT (group-0)'
Caused by:
Process `... MEGAHIT (group-0)` terminated with an error exit status (1)
Command executed:
megahit \
--mem-util 0.9 \
-t 24 \
-r group0.fastq.gz \
--out-prefix MEGAHIT-group-0
...
Command exit status:
1
Command error:
megahit: MEGAHIT v1.2.9
option --mem-util not recognizedJames Fellows Yates
01/15/2026, 9:08 AM--mem-util?James Fellows Yates
01/15/2026, 9:08 AM--mem-flag <int> SdBG builder memory mode. 0: minimum; 1: moderate;
others: use all memory specified by '-m/--memory' [1]
?Ruben Ladeira
01/15/2026, 9:12 AMCaused by:
Process `NFCORE_MAG:MAG:ASSEMBLY:SHORTREAD_ASSEMBLY:MEGAHIT (group-0)` terminated with an error exit status (1)
Command executed:
megahit \
--mem-util 0.9 \
-t 24 \
-r group0.fastq.gz \
--out-prefix MEGAHIT-group-0
pigz \
--no-name \
-p 24 \
\
megahit_out/*.fa \
megahit_out/intermediate_contigs/*.fa
mv megahit_out/* .
cat <<-END_VERSIONS > versions.yml
"NFCORE_MAG:MAG:ASSEMBLY:SHORTREAD_ASSEMBLY:MEGAHIT":
megahit: $(echo $(megahit -v 2>&1) | sed 's/MEGAHIT v//')
END_VERSIONS
Command exit status:
1
Command output:
(empty)
Command error:
megahit: MEGAHIT v1.2.9
option --mem-util not recognized
Work dir:
/home/rladeira/etude_flamme/mag/work/ef/98bb4587c443b07b08fd0e2cb076e7
Container:
/home/rladeira/etude_rfx/ampliseq/community-cr-prod.seqera.io-docker-registry-v2-blobs-sha256-f2-f2cb827988dca7067ff8096c37cb20bc841c878013da52ad47a50865d54efe83-data.img
Tip: when you have fixed the problem you can continue the execution adding the option `-resume` to the run command line
-- 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 detailsJames Fellows Yates
01/15/2026, 9:13 AM--mem-util is not referred to anywhere in our code base, so you must be somehow be suppliying.
I also see something very weird - why is your container from ampliseq 🤔James Fellows Yates
01/15/2026, 9:14 AMRuben Ladeira
01/15/2026, 9:17 AM