I Am banging my head on my desk using this type of binding mistake.. I've checked several in the postings for the BindingExpression route error and can't see everything that actually works with my predicament. Even so, the binding about the IncrementingTextBox IsEnabled property is creating a BindingExpression route mistake https://navrajinfratechresidentialprojects.politics.blog/2025/06/01/crafting-a-future-of-urban-sophistication-smart-world-the-edition/