Defunct as of rlang 0.3.0 and mutate_impl

Question

I am trying to use the following function but every time I do, I receive the error below. I tried installing an older version of rlang as it works on a different R Studio bu

Answer 1

For what it's worth, it worked for me by doing this:

1. having dplyr version 0.7.8
2. having rlang version 0.3.0.9000

I have R version 3.4.3 and using Rstudio version 1.1.456.