R Snippet Error on Mac

@erimacca welcome to the KNIME forum. Unfortunately I have the same issue especially when using the H2O.ai R package. As workaround I use the community R nodes where I would have to manually start the Rserve in a Studio session like here:

@Iris, @ScottF maybe you could have a look. It does not always occur. The R snippets in these meta nodes with h2o would not work.