You need to check your console for errors and include those in the thread. Unless you’re sure no errors are in your console or the console is unrelated to a problem, don’t post a thread here without first checking your console to know what exactly is happening.
In other news: someone else was using this exact same code on another thread, except their issue was that data wasn’t saving properly. In your case, there’s two problems: both the same problem they were having because the data saving code is poor, and the wrong ValueObject being used.
Please refer to this response for support debugging your code both for the blank value problem (use IntValue, not StringValue) and for the problems you are going to face using that code: