DADA2 error: Segmentation fault (version 1.14)

caused by multithreading problems

Solution A

During conda installation: use additional channels to solve multithreading problems

conda create -n dada2-v1.14 -c conda-forge -c bioconda -c defaults --override-channels bioconductor-dada2

see also: → conda install

Solution B

Set multithreading to 'FALSE' in learnError of the DADA2 workflow

errF <- learnErrors(filtFs, multithread=FALSE)

errR <- learnErrors(filtRs, multithread=FALSE)

read more

https://github.com/benjjneb/dada2/issues/684