How do I hide an error pop-up

[Por_Ban_IT_Review]

hi friend, I am very new MIT app inventer
I'd like to hide/not show up a error pop-up massage as picture.
The pop-up can be ignored .. app can operate contimue.
How to hide it please and thank alot.

[ABG]

Test length of list > 23 before trying to select list item 24.

[RamNaresh]

You need to check the length of list before accessing any item from it.

[Por_Ban_IT_Review]

here is my code.

[Por_Ban_IT_Review]

I try this code is work fine. thanks a lot friend.

[Por_Ban_IT_Review]

thanks friend.

[ChrisWard]

Spotted an error in your .Receive Text Block:

To get all of the data, use Maths Block '-1'