I have a multiple html subscriber button. In some button sandbox demo works in some button it does not works. i have already created new subscriber getting same problem. worked lived but not in sandbox demo giving error "PayPal cannot process this transaction because of a problem with the seller's website. Please contact the seller directly to resolve this problem" i have tried "html button" in jsfiddle so i dont hvae any problem in my site(running live version but not tested) and also tried encoding type "UTF-8" paypal profile setting of button
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