I just looked at your session that crashed and what is happening is that the app is crashing because of some syntax error in the executing code. This
Microsoft no longer recommends creating and using Access web apps in SharePoint. As an alternative, consider usingMicrosoft PowerAppsto build no-code business solutions for the web and mobile devices. Syntax expressionIS[NOT]NULL TheIS [NOT] NULLpredicate contains the following arguments. ...
I just looked at your session that crashed and what is happening is that the app is crashing because of some syntax error in the executing code. This