Error 424 Object Required Error when Using AddItem to ListBox Generated in Code

Hey all, I am having an error message when I ask Excel to AddItem to a listbox that was created earlier in the code. It is giving me an error 424 object required message and I can't seem to figure out why it is not referencing the listboxes I had already made. I am including the code:

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The error is triggered by the AddItem code in my looped if statements.

Thanks,

~J