id summary reporter owner description type status priority milestone component version severity resolution keywords cc external_id 796 Expression Functions(If,Lookup,Range) are not working mgluobin "When i execute the code in PHP with the sample data,such as : $resourceName = ""Library://Samples/Sheboygan/Data/RoadCenterLines.FeatureSource""; $resId = new MgResourceIdentifier($resourceName); $aggregateOptions = new MgFeatureAggregateOptions(); $aggregateOptions->AddComputedProperty(""rangeTest"", ""Range(Autogenerated_SDF_ID, 4.0, 1, 100, 6.0, 100, 200, 8.0)""); $dataReader = $featureService->SelectAggregate($resId, 'SHP_Schema:RoadCenterLines', $aggregateOptions); There are such errors:An exception occurred in FDO component. Item 'RANGE' not found in collection An exception occurred in FDO component. Item 'RANGE' not found in collection Exception occurred in method MgServerSelectFeatures.SelectFeatures at line 249 in file f:\mapguide\2.3.1\mgdev\server\src\services\feature\ServerSelectFeatures.cpp " defect closed high General 2.0.1 blocker invalid