Index: /issm/trunk-jpl/src/m/classes/model.m
===================================================================
--- /issm/trunk-jpl/src/m/classes/model.m	(revision 24475)
+++ /issm/trunk-jpl/src/m/classes/model.m	(revision 24476)
@@ -157,5 +157,5 @@
 			%2019 Jan..
 			if isa(md.frontalforcings,'double');
-				if(~isnan(md.calving.meltingrate))
+				if(isprop('meltingrate',md.calving) & ~isnan(md.calving.meltingrate))
 					disp('Warning: md.calving.meltingrate is now in md.frontalforcings');
 				end