Victor the bug existd only when you don't proceed with payment and press at the lower paypal page screen ' cancel and return to merchant' and only for add listing page.
Just tried wih demo and auto main red template
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Victor you didn't cancel the payment using the button at the end of paypal page. Bug only exists if you cancel paymentAttachment 3246Attachment 3247
Yes, I have found it. I have created a new task. I hope our developers will solve it soon.
Thank you for your testing.