Select list item: List index too large

Hi Friend, i have one Project chatting online, but it error, you can"t help me!!!
image
Who’is?? please help me.
Cuong_chat.aia (143.4 KB)

You are trying to get the second item but the list has only one item.
Check the blocks related to the moment where you get the error and you will find the problem.

Use Do it block of the moment where you set the the list itself and it will help you to find why there is only one item where should be 2. And if it didn’t have to be always to, use a variable and set it to the size of the list so the app won’t try to get a item list bigger the list size.

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Try this

Select list item list (Spilit the text at + ) index (2)

no, please help me.