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

I temporarily solved the problem via downgrading rlang.

require(devtools)
install_version("rlang", version = "x.x.x", repos = "http://cran.us.r-project.org")

x.x.x: the version you need

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I just realize that "dplyr" has fixed the issue after version 0.7.4.