Do while loop in selector is failing

hi Guys, im using a do while loop and running through the selector. selector fails as the first 3 numbers are already been selected once.

hi @Forklaring,

The selector is not valid, so uipath cannot find the element. Check the selector.

i have assigned selector in assign .
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@Forklaring Did you check the selector is valid? Try inspect the same element and compare with current selector which you have been using.