Analytics: small fix to UnitGenerator

- Now throws invalid_argument instead of domain_error

analytics/includes/UnitGenerator.h

@@ -311,12 +311,12 @@ public:
             for (const auto &nodeName : nodes) {
                 // The unit specified as input must belong to the domain of the outputs
                 if (!nodeBelongsToPattern(nodeName, subOutputs[0]->getName()))
-                    throw domain_error("HiUnitGenerator: Node " + nodeName + " does not belong to this unit domain!");
+                    throw invalid_argument("HiUnitGenerator: Node " + nodeName + " does not belong to this unit domain!");
                 topUnit->addSubUnit(_generateUnit(nodeName, subInputs, subOutputs, inputMode, mqttPrefix, relaxed));
             }
         } catch(const invalid_argument& e) {
             topUnit->clear();
-            throw invalid_argument("HiUnitGenerator: One or more node sub-units for unit" + name + " could not be generated!");
+            throw invalid_argument("HiUnitGenerator: One or more node sub-units for unit " + name + " could not be generated!");
         }
         // Mapping outputs
         for(const auto& out : outputs) {