I'm banging my head on my desk using this binding error.. I've checked quite a few of your postings with the BindingExpression route mistake and cannot see nearly anything that actually works with my problem. Fields have a "visibility" this decides what other lessons can see the sphere, so in https://elanresidentialdwarkaexpressway.blogspot.com/2025/07/m3m-st-andrews-at-scda-creates.html