Index: /issm/trunk-jpl/src/c/classes/FemModel.cpp
===================================================================
--- /issm/trunk-jpl/src/c/classes/FemModel.cpp	(revision 18146)
+++ /issm/trunk-jpl/src/c/classes/FemModel.cpp	(revision 18147)
@@ -534,10 +534,17 @@
 					/*Vector layout*/
 					int interpolation,nodesperelement,size;
+					int rank_interpolation=-1,rank_nodesperelement=-1;
 
 					/*Get interpolation (and compute input if necessary)*/
 					for(int j=0;j<elements->Size();j++){
 						Element* element=dynamic_cast<Element*>(this->elements->GetObjectByOffset(j));
-						element->ResultInterpolation(&interpolation,&nodesperelement,output_enum);
+						element->ResultInterpolation(&rank_interpolation,&rank_nodesperelement,output_enum);
 					}
+
+					/*Broadcast for cpus that do not have any elements*/
+					ISSM_MPI_Reduce(&rank_interpolation,&interpolation,1,ISSM_MPI_INT,ISSM_MPI_MAX,0,IssmComm::GetComm());
+					ISSM_MPI_Reduce(&rank_nodesperelement,&nodesperelement,1,ISSM_MPI_INT,ISSM_MPI_MAX,0,IssmComm::GetComm());
+					ISSM_MPI_Bcast(&interpolation,1,ISSM_MPI_INT,0,IssmComm::GetComm());
+					ISSM_MPI_Bcast(&nodesperelement,1,ISSM_MPI_INT,0,IssmComm::GetComm());
 
 					if(results_on_nodes){