Cannot edit products in Woocommerce

Hello!
I am having trouble editing my products. I can do it in the “Quick edit” page, but if I enter the product page and edit there, after pressing “Upload” the page just loads forever. I guess it must be some problem with the plugin… but any idea of what could be causing it?
Thanks a lot in advance!
Laura

The page I need help with: [log in to see the link]



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