Error out if using pair hybrid with Kokkos, but not pair hybrid/overlay

src/pair_hybrid.cpp

@@ -379,6 +379,9 @@ void PairHybrid::coeff(int narg, char **arg)
   if (narg < 3) error->all(FLERR,"Incorrect args for pair coefficients");
   if (!allocated) allocate();
 
+  if (lmp->kokkos)
+    error->all(FLERR,"Cannot yet use pair hybrid with Kokkos");
+
   int ilo,ihi,jlo,jhi;
   force->bounds(FLERR,arg[0],atom->ntypes,ilo,ihi);
   force->bounds(FLERR,arg[1],atom->ntypes,jlo,jhi);

src/pair_hybrid.h

@@ -90,6 +90,10 @@ class PairHybrid : public Pair {
 
 /* ERROR/WARNING messages:
 
+E: Cannot yet use pair hybrid with Kokkos
+
+This feature is not yet supported.
+
 E: Illegal ... command
 
 Self-explanatory.  Check the input script syntax and compare to the