hi to all
i am using oscommerce for my client .
he is from uk.
i am using this module for payment "PayPal Website Payments Pro (UK) Direct Payments " beacause my want for payment using paypal creating card service.
here i have problem : when i enable this module and payment using this.
it gives an error: Error: Payment module configuration error. Please verify the login credentials.
i have enter my client id in vendor section and password.
Any one have idea about this. why this error is occoured.