I use the PayPal sandbox to make test payments. It has worked perfectly since the last 3-4 months. But I see that they are making changes to the design of the sandbox, how to manage test email accounts, etc.
They disabled my actual sandbox account and asked me to log in using a real PayPal account. So I created a new sandbox account ( https://developer.paypal.com/ ) using my PayPal account. I imported test emails from my old sandbox account and started making test payments. But that did not work. I deleted all the imported test emails and created some new test emails. But that also didn't work.
I signed up for a sandbox account, try making a test payment. But he shows me this message every time.
I do not understand what the problem is. Need help please.
Thanks in advance.
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