Occasionally get the following. No idea why
> MapSuiteCore.DLL!ThinkGeo.MapSuite.Core.x1268e619012e8ab7.GetRecordOffset(int recordIndex = 2993) + 0x10e bytes
MapSuiteCore.DLL!ThinkGeo.MapSuite.Core.xdad12102199d8695.ReadRecord(int recordIndex = 2993) + 0x50 bytes
MapSuiteCore.DLL!ThinkGeo.MapSuite.Core.ShapeFileFeatureSource.GetFeaturesByIdsCore(System.Collections.Generic.IEnumerable<string> ids = {string[1]}, System.Collections.Generic.IEnumerable<string> returningColumnNames = Count = 1) + 0x17f bytes
MapSuiteCore.DLL!ThinkGeo.MapSuite.Core.FeatureSource.GetFeatureById(string id = "2993", System.Collections.Generic.IEnumerable<string> returningColumnNames = {string[1]}) + 0x1e8 bytes
+ $exception {"Object reference not set to an instance of an object."} System.Exception {System.NullReferenceException}
StackTrace " at ThinkGeo.MapSuite.Core.x1268e619012e8ab7.GetRecordOffset(Int32 recordIndex)\r\n at ThinkGeo.MapSuite.Core.xdad12102199d8695.ReadRecord(Int32 recordIndex)\r\n at ThinkGeo.MapSuite.Core.ShapeFileFeatureSource.GetFeaturesByIdsCore(IEnumerable`1 ids, IEnumerable`1 returningColumnNames)\r\n at ThinkGeo.MapSuite.Core.FeatureSource.GetFeatureById(String id, IEnumerable`1 returningColumnNames)\r\n at ....FeatureSource_CustomColumnFetch(Object sender, CustomColumnFetchEventArgs e) in ...Map.ascx.cs:line 88\r\n at ThinkGeo.MapSuite.Core.FeatureSource.OnCustomColumnFetch(CustomColumnFetchEventArgs e)\r\n at ThinkGeo.MapSuite.Core.FeatureSource.GetFeaturesForDrawing(RectangleShape boundingBox, Double screenWidth, Double screenHeight, IEnumerable`1 returningColumnNames)\r\n at ThinkGeo.MapSuite.Core.FeatureLayer.DrawCore(GeoCanvas canvas, Collection`1 labelsInAllLayers)\r\n at ThinkGeo.MapSuite.Core.Layer.Draw(GeoCanvas canvas, Collection`1 labelsInAllLayers)\r\n at ThinkGeo.MapSuite.WebEdition.LayerOverlay.DrawCore(GeoCanvas canvas, Object nativeImage, RectangleShape canvasExtent, GeographyUnit mapUnit)\r\n at ThinkGeo.MapSuite.WebEdition.LayerOverlay.Draw(GeoCanvas canvas, Object nativeImage, RectangleShape canvasExtent, GeographyUnit mapUnit)\r\n at ThinkGeo.MapSuite.WebEdition.x575d0da71229c23b.x62ef0ac77a37f260(Bitmap xdb0bfbdbb2208989)\r\n at ThinkGeo.MapSuite.WebEdition.x575d0da71229c23b.xeecb74f73e2937be(Bitmap xdb0bfbdbb2208989)\r\n at ThinkGeo.MapSuite.WebEdition.x575d0da71229c23b.xc690f57f5beb2a64(HttpContext x367528c7f091a5d2)" string