Running examples in ‘invasible-Ex.R’ failed
The error most likely occurred in:

> ### Name: prepare_invasible
> ### Title: Prepare data and phylogeny for analyses (mandatory step)
> ### Aliases: prepare_invasible
> 
> ### ** Examples
> 
> species_list <- fish_beginning_with_E
> prep <- prepare_invasible(species_list,rho=1,plot=TRUE, predictors=
+         c("Fake_categorical_trait","Fake_continuous_trait"))
Error in getYmult() : could not find function "getYmult"
Calls: prepare_invasible -> <Anonymous> -> plotSimmap -> plotFan -> draw.arc
Execution halted