discuss about the topic about runtime error
Welcome
After doing a search in the community you will find a lot of similar threads… you might want to search next time before asking a popular question
In your case the list is empty… so if you try to select the first item of an empty list, you get that error
To avoid that error first check, if there is an item in the list…
There are blocks like is list empty or length of list in the list drawer to do that
Taifun