Rstudio update leads to fatal error trying to run pathfindR

I updated my Rstudio to Version 2023.06.0+421 and R to 4.3.1 and now I get a fatal error when I try to run pathfindR. I use MacOS BigSur on a MacBookPro 2020 intel core i7.
Any recommendations/suggestions?
Thanks again for your help!

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