Index: /issm/trunk-jpl/src/m/classes/organizer.py
===================================================================
--- /issm/trunk-jpl/src/m/classes/organizer.py	(revision 25122)
+++ /issm/trunk-jpl/src/m/classes/organizer.py	(revision 25123)
@@ -158,6 +158,9 @@
             bool = True
 
-    #assign self back to calling workspace
-    # (no need, since Python modifies class instance directly)
+            #last check: is this step locked?
+            s = self.steps[self._currentstep].string
+            if len(s) > 7:
+                if s[-6:] == 'Locked':
+                    raise Exception('organizer: you are trying to run a locked step! Unlock it first!')
 
         return bool