Scenario: Fix scenario duplication.

src/Model/Geometry/Reach.py

@@ -52,6 +52,11 @@ class Reach(SQLSubModel):
         self._guidelines_is_valid = False
         self._guidelines = {}
 
+        super(Reach, self).__init__(
+            id=parent.pamhyr_id,
+            status=status,
+        )
+
     @property
     def pamhyr_id(self):
         return self._parent.pamhyr_id
@@ -60,6 +65,10 @@ class Reach(SQLSubModel):
     def _pamhyr_id(self):
         return self._parent.pamhyr_id
 
+    @_pamhyr_id.setter
+    def _pamhyr_id(self, id):
+        return
+
     @classmethod
     def _db_create(cls, execute):
         return cls._create_submodel(execute)