Problem with integrate Os Paypal Payment

I have purchased the Plugin for Paypal , os_paypalstc. When i will pay per Normal Paypal its running, super, but when i try to pay per Credit card, the field will not accepted my Street and street number, also my Mobilnumber i earneed a error. 
How can i fix it?
Thank you

Hi Harry

This kind of validation is handled by PayPal, so honestly, I am unsure about it. But could you please submit a support ticket sending us super user account of your site? I will take a quick check to make sure you run latest version of payment plugin

Regards,

Tuan