Exit simulation on fatal error

Simulation/FMUEngine.cpp

@@ -77,7 +77,8 @@ namespace Simulation
 					fmi2False);
 				if (status == fmi2Error || status == fmi2Fatal)
 				{
-					break;	// Simulation no longer possible
+					onLog(pair.first, status, "FmuEngine", "Error on DoStep. Cannot continue the simulation!");
+					return;	// Simulation no longer possible
 				}
 			}