AdisTT: Managing tab of time series when it's disabled

src/Model/WeatherParameters/WeatherParameters.py

@@ -441,9 +441,9 @@ class WeatherParameters(SQLSubModel):
             f"AND scenario = {self._status.scenario_id}"
         )
 
-        reach = -1
-        begin_section = -1
-        end_section = -1
+        reach = None
+        begin_section = None
+        end_section = None
 
         if self._reach is not None:
             reach = self._reach._pamhyr_id