Ui element could not be found in a specific selector

this is the UIPath Robotic framework assignment on calculating client security hash code. when it extract the information then shows them in the output, it only shows the first 4, then after that it gives me this error, even though it shows that its valid and the push button works in the first 4 results.

the error:

" Click ‘push button Close’: Could not find the UI element corresponding to this selector:

Search failed at selector tag:
[2] "

Hello @jumanah_alqurashi!

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