fix permissions

ir.py

@@ -14,7 +14,9 @@ class Rule(metaclass=PoolMeta):
         """ list of models to add 'user_id' to context
         """
         result = super(Rule, cls)._context_modelnames()
-        result.append('cashbook.planner')
+        result.extend([
+            'cashbook.planner',
+            'cashbook.planner.nextrun'])
         return result
 
 # end Rule