System.Collections.Generic.KeyNotFoundException: The given key ‘00000000-0000-0000-0000-000000000000, 0’ was not present in the dictionary.
at System.Collections.Generic.Dictionary`2.get_Item(TKey key)
at .()
at .()
…...(Stream ) at .(Stream ) at .(Stream , String ) at...tream , String , Boolean ) at .(Stream , Document , LoadOptions )...