Hello Maria, Erik,
For the two errors I will let someone else with more GRHydro experience answer.
- parameter file from collapse directory Error: Thorn
corecollapsecontrol not found Error: Thorn CartesianCoordinates not found
They are due to thorns from Zelmani (the Caltech local repository). corecollapsecontrol handles (apparently) grid structure issues during core collapse simulations. CartesianCoordinates is a thorn to set up a plain Cartesian coordinate system as expected by multipatch aware thorns. This way one can use these thorns without the Llama infrastructure. It was written by Christian Reisswig. I would simply try and remove them. Removing CartesianCoordinates likely requires you to add a proper CoordBase stanza to your input file.
Yours, Rland