Fixed bug

integration/code/pn_interface.alc

@@ -279,7 +279,7 @@ Element function model_loaded(model : Element):
 
 	return model!
 
-Element function main():
+Void function main():
 	output("Welcome to the Model Management Interface, running live on the Modelverse!")
 	output("Use 'help' command for a list of possible commands")
 	String command