Hi freeda.kakara0pmjhh, welcome to Thunkable! 
Be sure to check out How to ask Great Questions v2.0, the Community Guidelines, and our Getting Started Guide to make the best of your Thunkable Community experience!
Could you try using a different browser and let us know if the issue persists? The Microsoft Edge browser is not compatible with Thunkable and you can run into issues like this when using it.