This worked for me. Thank you. Best, Seyhmus Guler Research fellow Boston Children's Hosptital Boston, MA USA On Thu, Feb 2, 2017 at 4:12 AM, Xenia Kobeleva <[log in to unmask]> wrote: > Dear all, > > I had the same error and I found a solution which I would like to share > with you all. > It seemed to be a problem with one of the R packages (party). I > uninstalled the package and then installed an older version (1.0.25) and > then FIX worked without any further problems. It might be related to > ctree_memory, as this item has been changed a few times during the update > of the package and the error message included some problem with ctree. > I hope that helps! > > Best wishes > Xenia > > Dr Xenia Kobeleva > German Center for Neurodegenerative Diseases > Bonn > Germany >