Hello everyone!
We have an issue with power apps Canvas. We have an app, where we need to assign a data into a variable through OnSelect button. The problem is that time to time the Set and UpdateContext are literally don't work. Some day they work as expected, but today it just fills a blank value into the variable. Or sometimes it does not even fill any value at all!
I tried to track the issue through monitor but nothing points the issue. Is it a core problem or it can be fixed? I am really tired that Power platform features are not stable, even such fundamental ones. The screenshots are attached. Please help me to figure out what is going on.

