Using Variables to set Button States on another slide

I am attempting to assign a button a variable value on Slide and  evaluate that value on  slide B to set a button state on slide B.

I have been able to set the initial value and a value when I select the button the button on slide A. I have confirmed the value is set correctly when slide B is active. The problem I am having is to logic to change the state of the button on slide B be is not being executed.  Any ideas,

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