RachelRachel 133k6767 Gold badges315315 silver badges510510 bronze badges 2 three Rachel, you happen to be an attractive genius!!! And that i am an fool. Thank you a lot of for the solution. I used to be binding to self and did not have a 'ConfigurationModel' property in my IncrementingTextBox class. https://servicedapartmentsnoida.blogspot.com/2025/05/build-your-legacy-with-signature-global.html