[help] UiTableCell bug?

I have to search for the typos several times but nothing, or it’s was UiTableCell bug?

Please note that it is better to post your code than a screenshot of an excerpt as it does not provide a complete picture.

What is the definition of generateThumbnail()?

You are awaiting a Promise in a synchronous function. The function makeHTML is not defined with the async keyword, but you are using await in it.

Thank you, it’s just works