error in function simulate_experiment_countmat

[mhjiang97]

what I did:

simulate_experiment_countmat(fasta = "~/doc/reference/fa/gencode.v32.transcripts.fa",
                                                      readmat = merges, outdir = "~/tmp/polyester/")

the error:

Error in h(simpleError(msg, call)) : 
  error in evaluating the argument 'i' in selecting a method for function 'extractROWS': invalid 'times' argument

does it mean this error happened because of the Fasta file is too big?
I tried a subset of the whole Fasta file with a corresponding readmat and the simulate function ran well.
thank you very much!