suppressing error tracebacks

We are writing a book where we want to show the error message from some code but not a traceback. For example

library(tidyverse)

tibble(x = 1:2) %>% 
  map_dbl(sort)

where we specified the chunk with {r, error=TRUE}.

How can we get the error message without the traceback?

Thanks

If you go to this page and search for "Backtrace", you'll see the result.

The site was rendered using rmarkdown::render_site(), and the source code is here.

Thanks

This seems unusual!

This backtrack if from rlang.
Did you configured something like this from rlang somewhere? .Rprofile ?

I don't have an .Rprofile, but I updated rlang to the current version, and the problem disappeared.

Many thanks, we can close this question.

Glad it pointed out to the right thing.

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