When trying to connect to an Oracle database in Toad Data Point, the follow error is displayed:
System.Collections.Generic.KeyNotFoundException
The given key was not present in the dictionary.
Stack Trace:
at System.Collections.Generic.Dictionary`2.get_Item(TKey key)
at Quest.Toad.Db.ConnectionProxy.Implementation.ConnectionImplementation.GetObject (Int32 objectId)
at Quest.Toad.Db.ConnectionProxy.ProxyConnection.GetImplementation()
at Quest.Toad.Db.ConnectionProxy.ProxyConnection.GetActualState()
RESOLUTION :
1. Download Microsoft .Net Framework 4.5.1
2. Uninstall .NET Framework 4.6.1
3. Install .NET Framework 4.5.1
4. Restart computer
5. Try to open Toad Data Point again.
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