Error random item in list

Hi! im creating an app that have an cloud data base on google sheet
and i wanted that קvery time i open the app there will an random words
but ive got this error:
I would appreciate it if someone could help me :pray:

Error says, the list is empty from which you are trying to pick random word

Before picking word make sure that list is not empty or you have stored values before picking.

there is a value can you check my blocks?