This Applescript code works in Mojave but not in Big Sur MacOS.. please fix?

Hi so I have this Applescript code that basically works this way: You drop an image file on the Applescript icon and it fills Mac's clipboard with the image's dimension and file name (html format). Now the problem here is that this code works on Mojave macos but not on Big Sur which I use.

Here is the code, can anyone please post a fix by testing it on a Big Sur Macos computer? I've worked quite hard on this one:

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on open theDroppedItems
set theCurrentItem to item 1 of...

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