Why is has The operation select list item cannot accept the arguments:

[Minh_Hung_Hoang]

Can anyone fix it TvT I can not see what happened with the remove list item box
tic_tac_toe (1).aia (19.1 KB)

[TIMAI2]

Have you been following this ?

App Inventor Tic Tac Toe Tutorial: More Procedures, For Loops, and Lists

[Still_Learning]

tic_tac_toe_1.aia (19.2 KB)

test this

here is the problem