git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@10515 f3b2605a-c512-4ea7-a41b-209d697bcdaa

src/variable.cpp

@@ -2990,6 +2990,11 @@ int Variable::region_function(char *id)
   int iregion = domain->find_region(id);
   if (iregion == -1)
     error->all(FLERR,"Region ID in variable formula does not exist");
+
+  // init region in case sub-regions have been deleted
+
+  domain->regions[iregion]->init();
+
   return iregion;
 }