Errors using dada2 denoise-paired with >16 threads

[Nicholas_Bokulich]

Welcome to the forum @mrichards!

See an explanation here:

Denoising error, names attribute must be the same length as vector

Hi @Roger_Huerlimann, Congratulations for running into one of the more cryptic error messages that dada2 can throw at you. This is effectively a memory error even though it does not look like one — or more specifically a multithreading issue that can be fixed by reducing the number of threads used. See here for some discussion: I think the dada2 version was upgraded somewhere in there, so it could be a version issue, but it could also be coincidence. Reduce the number of threads you are …