HOTFIX

* fixes bug where detail view of KOM could not be opened anymore

compensation/models/compensation.py

@@ -490,7 +490,11 @@ class Compensation(AbstractCompensation, CEFMixin, CoherenceMixin, PikMixin):
         if self.is_recorded:
             retval = COMPENSATION_LANIS_LAYER_NAME_RECORDED
         else:
-            is_old_entry = self.intervention.legal.binding_date < LKOMPVZVO_PUBLISH_DATE
+            try:
+                is_old_entry = self.intervention.legal.binding_date < LKOMPVZVO_PUBLISH_DATE
+            except TypeError:
+                is_old_entry = True
+
             if is_old_entry:
                 retval = COMPENSATION_LANIS_LAYER_NAME_UNRECORDED_OLD_ENTRY
             else: