AAC Znote Paypal Issue --AUTHENTICATION_FAILURE

[pepsiman]

Hi, i'm using Znote's Paypal prototype from here
I have created a new app, added required values to config.php and i started to test it:
On sandbox show a paypal login box but when i write my credentials and press send, always says 'wrong password' when try to log into paypal to send payment.
On live is not working and i receive the following message:

Payment link ERROR
Print: - stdClass Object
(
[name] => AUTHENTICATION_FAILURE
[message] => Authentication failed due to invalid authentication credentials or a missing Authorization header.
[links] => Array
(
[0] => stdClass Object
(
[href] => Get Started - PayPal Developer
[rel] => information_link
)

)

)

Thanks in advance

 

[pepsiman]

solved changing https://api.sandbox.paypal.com to https://api.paypal.com