[InvalidCastException: Unable to cast object of type 'Devart.Data.Linq.Mapping.MetaType' to type 'Devart.Data.Linq.Engine.ba'.]
MaterializeFeed(MaterializerScope ) +6026
Devart.Data.Linq.Engine.EntityReader`3.a() +240
Devart.Data.Linq.Engine.ObjectReader`1.a(T& A_0) +40
Devart.Data.Linq.Engine.ObjectReader`1.c() +115
Devart.Data.Linq.DataProvider.a(c1 A_0, IDbConnection A_1, IDataReader A_2) +1138
Devart.Data.Linq.DataProvider.a(c1 A_0, Object[] A_1) +5104
Devart.Data.Linq.Table`1.System.Linq.IQueryProvider.Execute(Expression expression) +52
System.Linq.Queryable.FirstOrDefault(IQueryable`1 source, Expression`1 predicate) +490
Pictures.Default.Page_Load(Object sender, EventArgs e) +3777
System.Web.UI.Control.LoadRecursive() +71
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3178
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