Error: not a valid fac_dispatcher specification, returning NULL

General
1

Hi,

I am a newbie and preparing myself for a job and I am working on a project in R and RStudio. At one point, I discovered an error that I could not understand.

### CLEAR THE DECKS #########

rm(list=ls())

load("C:\\Users\\rda\\bere_coo_tidy.rda")

### Classier preparation & sampling #########

a %<>% arrange(Charring, bere, Area, Position, Grain, View) %>% coo_sample(360)

Till now it's good. Then when I ran the following code, the error occurs.

a %<>% chop(View)

not a valid fac_dispatcher specification, returning NULL

I just want to know,

  1. What does that error mean?
  2. How it can happen?
  3. How I can probably solve it?

If anybody knows any answer even one of them, it would be helpful.

Thanks in advance.

2

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