Here's the core DADA2 error:
DADA2: 1.26.0 / Rcpp: 1.0.9 / RcppParallel: 5.1.6
2) Filtering Error in names(answer) <- names1 :
'names' attribute [81] must be the same length as the vector [36]
Although it does not look like it, that's a memory error. See: Denoising error, names attribute must be the same length as vector