# Problem variables app **URL:** \ **Category:** Questions about Thunkable X\ **Created:** [January 14, 2021, 4:47pm UTC](https://community.thunkable.com/t/problem-variables-app/1049919 "2021-01-14T16:47:33Z")\ **Posts on this page:** 1\ **Showing post:** 4
**Author:** ![tatiang](https://sea1.discourse-cdn.com/flex015/user_avatar/community.thunkable.com/tatiang/32/55482_2.png) [@tatiang](https://community.thunkable.com/u/tatiang)\ **Post date:** [January 14, 2021, 8:59pm UTC](https://community.thunkable.com/t/problem-variables-app/1049919/4 "2021-01-14T20:59:38Z")
Two things: (1) The problem is that the “when Screen starts” or “when Screen opens” blocks are not working correctly. For example, this does nothing: ![image](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/0/1/01744e5f1d23f14bb1975913a80f16b50ff9be00.png) This problem has been reported on the forums today: > [@Issue with "when Screen Starts" event since Jan 12, 2021](http://community.thunkable.com/t/issue-with-when-screen-starts-event-since-yesterday/1047954): > > Hi there, out of nowhere and without me making any changes to the app, I noticed multiple things not working any more when testing in Thunkable Live on Android. Those are just the first three examples I noticed: On multiple screens: “When screen opens, from Label set text to XYZ” doesn’t work. List viewer literally just disappeared and isn’t showing any more on the screen. On one screen: “When screen starts, set labels to XYZ and background images to XYZ, then clone and set visibility to true… > [@Problem with the open screen event](http://community.thunkable.com/t/problem-with-the-open-screen-event/1049016/): > > Hello, Does anyone else is experiencing issues in live test and downloaded version with all related to the open screen component. Since the latest version update (v253) this component stopped working causing large part of my project to crush. I need to release a new version today, does anyone knows how can i create the same behavior of the screen opening for my code to run. I need a particular code to run every time the user go to the home page. Is there any time estimation when this bug wil… (2) You should **not** initialize a variable as text that you want to use for storing a list. This can break the variable. Do this instead: ![image](https://us1.discourse-cdn.com/flex015/uploads/thunkable/original/3X/3/f/3fff51757f103c6f24a4c9cc09badf0e018ca6a5.png) If you fix the variable initialization in #2 above and then replace the “when Screen starts” blocks with “when button clicked” blocks, the rest of your blocks work correctly. See this modification: [https://x.thunkable.com/copy/e0b6fb2fe20418f560956191aaed576c](https://x.thunkable.com/copy/e0b6fb2fe20418f560956191aaed576c) --- _[View the full topic](https://community.thunkable.com/t/problem-variables-app/1049919)._