Hi, I’m trying to fit a brms model that previously worked fine, and get the warning “Compiling Stan program… The NEXT version of Stan will not be able to pre-process your Stan program. Please open an issue at Issues · stan-dev/stanc3 · GitHub if you can share or at least describe your Stan pr…

Error in brms compiling

Robert_Suchting July 17, 2020, 9:10pm 7

I was having this same exact problem until I rolled Stan back to version 2.19.3, as suggested by Dr. Bürkner on another thread: Potential Problems with rstan and /or brms packages in R 4.0.2

Topic		Replies	Views
Compiling issue with stan in the R package 'brms' General	8	1517	December 6, 2017
Error running Stan Model with rstan 2.21 and R 4.0.2 RStan	3	1863	July 28, 2020
Brm() and RStan won't compile since upgrade to R 4.2.2 and Rtools42; Help! RStan rstan , brms	2	974	December 20, 2022
Error in compileCode(f, code, language = language, verbose = verbose) & 'No such file or directory' error RStan rstan	5	2734	July 27, 2020
Error in compiling rstan, rstudio keeps asking to install Rtools General	10	2117	October 1, 2020