Remove the "Replaces Thing Id" on both the class and the class level - then, use the *Preclude tab to preclude the old versions while this house rule is turned on.
Replacement is checked before sources are checked, so by making replacements, you're entirely removing the normal Wizard class.
I suspect the error message is also due to the replacement - classes may not have been set with replacement in mind.
Last edited by Mathias; September 27th, 2013 at 06:26 PM.
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