compile error with “let” in class module

I am trying to instantiate a module class for which I have let-setters:

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When I do this, excel is throwing an error:
"Compile error: Definitions of property procedures for the same property are inconsistent, or property procedure has an optional parameter, a ParamArray, or an invalid Set final parameter"

Here is what I have in the class module:

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An error occurs on all of the public property let lines... Can anyone explain why excel isn't agreeing with?

class module is called "Entry"

The rest of the code I have attached here, everything relevant in module 2 or the entry module

I noticed that I can get around the error by not declaring the argument data type, but then I get an "out of stack space" error.

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