Hello, my ecommerce process payment with paypal, with a form that redirect to this url: www . paypal . com / xclick / business=myemailaddress & item_name=order+n.+42 & amount=27 & no_note=1 & currency_code=EUR & lc=IT From a few days I have been returning this error and customers cannot buy: "Si è verificato un errore di sistema. Riprova più tardi." What about? Advices? Many thanks
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