Official list main menu crashes when running

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The original official example includes these folders. However, since I wanted a list-style main menu instead of a grid layout, I deleted these folders. After compiling and flashing to the Huangshan Pi, I found that the system crashes every time I scroll down to the 8th icon. Could you please help identify where the problem might be?

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To use the list menu, click on the menu below and select List from it. There’s no need to delete other folders.

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Thank you for your answer, I have learned it.

Is your routine in the solution, or in which directory of the SDK?