# Fatal error in Rstudio when running bayes\_factor()

**URL:** <https://discourse.mc-stan.org/t/fatal-error-in-rstudio-when-running-bayes-factor/30060>\
**Category:** Modeling\
**Created:** [January 14, 2023, 4:26pm UTC](https://discourse.mc-stan.org/t/fatal-error-in-rstudio-when-running-bayes-factor/30060 "2023-01-14T16:26:24Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![andersama](https://avatars.discourse-cdn.com/v4/letter/a/ecb155/32.png) [@andersama](https://discourse.mc-stan.org/u/andersama)\
**Post date:** [January 14, 2023, 4:26pm UTC](https://discourse.mc-stan.org/t/fatal-error-in-rstudio-when-running-bayes-factor/30060/1 "2023-01-14T16:26:24Z")

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Hi, whenever I try to due bayes\_factor() for two bayesian model i’ve made, I always encaounter a fatal error shutting down r. Ive tried to reinstall r and update brms, but nothing work.

Does anybody know why?

Thank you

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**Author:** ![Ara\_Winter](https://yyz2.discourse-cdn.com/flex030/user_avatar/discourse.mc-stan.org/ara_winter/32/4284_2.png) [@Ara\_Winter](https://discourse.mc-stan.org/u/Ara_Winter)\
**Post date:** [January 23, 2023, 6:58pm UTC](https://discourse.mc-stan.org/t/fatal-error-in-rstudio-when-running-bayes-factor/30060/2 "2023-01-23T18:58:38Z")

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Hello and welcome.

A few things will help get your question answered:  
Which OS and version?  
What hardware are you running on?  
Which version of R, RStudio, brms are you running?  
And can you post the error output?

thanks!