Got some errors in CFLUKAHI model

I tried the Flunka interface in the example of hadronic/FlukaCern/processLevel/FinalState.
The Model is set to CFLUKAHI
But when analysing the Fe projectile on the Hydrogen target (as well as any other targets), the Error reports that Could not find FLUKA id=-2.
fe+pCFLUKAHI.out.txt (67.9 KB)

Btw, I also tested the proton projectile on Fe target and it works well.
Is it because this model only supports hadron-nucles interaction?

_Geant4 Version:_11.2.1
_Operating System:_Fedora 32
_Compiler/Version:_gcc10.3.1
_CMake Version:_cmake3