Let me check for a likely real cause — a blank page after a `header()` redirect strongly suggests something is being output *before* that redirect fires, which silently breaks it (a classic PHP "headers already sent" issue):Reasonable diagnosis: I checked, and none of the included files have stray output that would silently break the `header()` redirect — so it's likely not a crash, but that the current feedback ("Status updated.") is small, generic, and easy to miss, especially right after a page reload. Making it impossible to miss, plus adding the navigation you asked for: