Unhandled Exception: System.ArgumentException:

[dsolmann]

Unhandled Exception: System.ArgumentException: An item with the same key has already been added.
at System.ThrowHelper.ThrowArgumentException(ExceptionResource resource)
at System.Collections.Generic.Dictionary2.Insert(TKey key, TValue value, Boolean add) at System.Linq.Enumerable.ToDictionary[TSource,TKey,TElement](IEnumerable1 source, Func2 keySelector, Func2 elementSelector, IEqualityComparer1 comparer) at System.Linq.Enumerable.ToDictionary[TSource,TKey,TElement](IEnumerable1 source, Func2 keySelector, Func2 elementSelector)
at GameMaker.File.RefactorCodeManager..ctor(Byte[] rawData)
at GameMaker.File.RefactorCode()
at GameMaker.File.LoadEveything()
at GameMaker.Program.Main(String[] args)