Removed unnecessary check.
diff --git a/org.eclipse.amp.amf/plugins/org.eclipse.amp.amf.gen/src/metaabm/tmpl/edit.chk b/org.eclipse.amp.amf/plugins/org.eclipse.amp.amf.gen/src/metaabm/tmpl/edit.chk
index 1114645..c2e7cfc 100644
--- a/org.eclipse.amp.amf/plugins/org.eclipse.amp.amf.gen/src/metaabm/tmpl/edit.chk
+++ b/org.eclipse.amp.amf/plugins/org.eclipse.amp.amf.gen/src/metaabm/tmpl/edit.chk
@@ -113,7 +113,7 @@
    selected != destination;

       

 context AMove ERROR "Destination " + destination.usageLabel() + " for " + usageLabel() + " is not a cell. (The destination agent is " + destination.agent.usageLabel() + " and the fill agent for the destination is " + ((SGrid) destination.space).builder().fillAgent.usageLabel() + ".)": 

-   destination.space.metaType != SGrid || ((SGrid) destination.space).builder().fillAgent == destination.agent;

+   destination.space.metaType != SGrid || ((SGrid) destination.space).builder().fillAgent == null || ((SGrid) destination.space).builder().fillAgent == destination.agent;

      

 //Too common a situation 

 //context SAttribute WARNING "No default value specified for " + usageLabel() + ". Assuming " + defaultValue():