Monitoring component:

- fixed minor issue when checking monitor_flag of KPIs

src/monitoring/service/ManagementDBTools.py

@@ -261,10 +261,10 @@ class ManagementDB():
             else:
                 if data[0] == 1:
                     return True
-                elif data[0] == 0:
+                elif data[0] == 0 or data[0] is None:
                     return False
                 else:
-                    LOGGER.debug(f"KPI {kpi_id} is wrong")
+                    LOGGER.debug(f"KPI {kpi_id} is wrong: {str(data)}")
                     return None
         except sqlite3.Error as e:
             LOGGER.debug(f"KPI {kpi_id} cannot be checked from the ManagementDB: {e}")