Previously compiled/fitted model suddenly crashes (without any changes in the specification)

[bgoodri]

And you have RStan 2.19.2? The only other person who encountered an error like that managed to overcome it by upgrading

Compilation error, maybe problem with Eigen and StanHeaders (Ubuntu)

Hi, I was working with RStan and brms a few days ago, but for some reason am running into compilation errors now. Poking around discouse I see ben asking people to run the following code: stancode <- 'data {real y_mean;} parameters {real y;} model {y ~ normal(y_mean,1);} mod <- stan_model(model_code = stancode, verbose = TRUE) This outputs the following: Error in compileCode(f, code, language = language, verbose = verbose) : Compilation ERROR, function(s)/method(s) not created! In file …