[ArgumentException: An item with the same key has already been added.]
System.ThrowHelper.ThrowArgumentException(ExceptionResource resource) +60
System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add) +14338200
System.Data.Entity.Core.Objects.ObjectStateManager.AddEntityEntryToDictionary(EntityEntry entry, EntityState state) +343
System.Data.Entity.Core.Objects.ObjectStateManager.AddEntry(IEntityWrapper wrappedObject, EntityKey passedKey, EntitySet entitySet, String argumentName, Boolean isAdded) +859
System.Data.Entity.Core.Common.Internal.Materialization.Shaper.HandleEntityAppendOnly(Func`2 constructEntityDelegate, EntityKey entityKey, EntitySet entitySet) +362
lambda_method(Closure , Shaper ) +356
System.Data.Entity.Core.Common.Internal.Materialization.Coordinator`1.ReadNextElement(Shaper shaper) +389
System.Data.Entity.Core.Common.Internal.Materialization.SimpleEnumerator.MoveNext() +88
System.Collections.Generic.List`1..ctor(IEnumerable`1 collection) +526
System.Linq.Enumerable.ToList(IEnumerable`1 source) +69
BL.Blm.GetMostLike() in C:\Users\PC\Source\Repos\AsanBTC2\BL\Blm.cs:798
AsanBTC.Contents.GetMostLike() in C:\Users\PC\Source\Repos\AsanBTC2\AsanBTC\Contents.aspx.cs:695
System.Web.UI.Control.OnLoad(EventArgs e) +99
System.Web.UI.Control.LoadRecursive() +154
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +4082
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