I have read all the posts for relatable subjetcs but no solution for my site. I correctly set my sandbox account credencials, no extra spaces. I also have the encrypted website payments set in Off. Every time i try to pay with paypal I receive the following message "site is not working at the moment. Try it again later". The URL given is not giving me any clue, it says "Code=Error" (link below). Same thing is happening with my prodution evironment with my client´s regular credencial. Can anybody help me?