Error in compileCode(f, code, language = language, verbose = verbose)

I am trying to run a brms model in Rstudio, but I keep running into the same error message:

Compilation ERROR, function(s)/method(s) not created!
Error in compileCode(f, code, language = language, verbose = verbose) :
C:\rtools43\x86_64-w64-mingw32.static.posix\bin/ld.exe: file47acfb27b50.o:file47acfb27b50.cpp:(.text$_ZN3tbb8internal26task_scheduler_observer_v3D0Ev[_ZN3tbb8internal26task_scheduler_observer_v3D0Ev]+0x1c): undefined reference to tbb::internal::task_scheduler_observer_v3::observe(bool)'C:\rtools43\x86_64-w64-mingw32.static.posix\bin/ld.exe: file47acfb27b50.o:file47acfb27b50.cpp:(.text$_ZN3tbb10interface623task_scheduler_observerD1Ev[_ZN3tbb10interface623task_scheduler_observerD1Ev]+0x1c): undefined reference to tbb::internal::task_scheduler_observer_v3::observe(bool)'C:\rtools43\x86_64-w64-mingw32.static.posix\bin/ld.exe: file47acfb27b50.o:file47acfb27b50.cpp:(.text$_ZN3tbb10interface623task_scheduler_observerD1Ev[_ZN3tbb10interface623task_scheduler_observerD1Ev]+0x37): undefined reference to `tbb::internal::task_scheduler_observer_v3::observe(bool)'C:\rtools43\x86_64-w64-mingw32.static.posix\bin/ld.exe: file47acfb27b50.o:file47acfb27b50.cpp:(.text$ZN3tbb10interface623task

I have already uninstalled and reinstalled the newest versions of R, Rstudio, and Rtools. I’ve also restarted my R session and installed the ‘rstan’ and ‘StanHeadres’ pachaked from their source.

The error keeps on coming following installation of the packages, after running this code:

example(stan_model, package = “rstan”, run.dontrun = TRUE)

I do not know what else to do. Any help would be deeply appreciated.

Note that I have also run this:

remove.packages(c(“StanHeaders”, “rstan”))
install.packages(“StanHeaders”, repos = c(“Repository for distributing (some) stan-dev R packages | r-packages”, getOption(“repos”)))
install.packages(“rstan”, repos = c(“Repository for distributing (some) stan-dev R packages | r-packages”, getOption(“repos”)))

And I tried to install a previous version of the rstan package (rstan_2.19.3), unsuccessfully:

Warning in install.packages :
installation of package ‘C:/Users/BC116828/Downloads/rstan_2.19.3.tar.gz’ had non-zero exit status

I was having this exact issue today, and used the some code to get the newer version of rstan. I ended up having to follow the advice in the response to this post (r - Fixing rlang access denied - Stack Overflow) and then try installing again. It worked after that.