Index: /issm/trunk-jpl/src/m/contrib/defleurian/paraview/exportVTK.m
===================================================================
--- /issm/trunk-jpl/src/m/contrib/defleurian/paraview/exportVTK.m	(revision 24318)
+++ /issm/trunk-jpl/src/m/contrib/defleurian/paraview/exportVTK.m	(revision 24319)
@@ -53,7 +53,13 @@
 		if(size(sol_struct{i},2)>num_of_timesteps);
 			num_of_timesteps=size(sol_struct{i},2);
-      outstep=model.timestepping.time_step*model.settings.output_frequency;
-	  end
-  end
+			if isa(model.timestepping,'timesteppingadaptive')
+				disp('Warning: timesteppingadaptive not totally supported!');				
+			elseif isa(model.timestepping,'timestepping')
+				outstep=model.timestepping.time_step*model.settings.output_frequency;
+			else
+				error('timestepping class not supported!');
+			end
+		end
+	end
 else
 	num_of_timesteps=1;