Index: /issm/trunk-jpl/src/c/modules/GroundinglineMigrationx/GroundinglineMigrationx.cpp
===================================================================
--- /issm/trunk-jpl/src/c/modules/GroundinglineMigrationx/GroundinglineMigrationx.cpp	(revision 15968)
+++ /issm/trunk-jpl/src/c/modules/GroundinglineMigrationx/GroundinglineMigrationx.cpp	(revision 15969)
@@ -99,4 +99,5 @@
 		element->GetVectorFromInputs(vec_phi,MaskGroundediceLevelsetEnum);
 	}
+	vec_phi->Assemble();
 	phi=vec_phi->ToMPISerial();