I need help with payment setup

[PotimusHacks]

i wanted to set up paypal payments on my website for membership and its asking for Client ID and Secret i created on and its saying "Client Authentication failed" can anyone help me out?

[Anonymous_User]

You need to provide some more info ?

Who is asking for this info ?   (For example is this the site host asking for this info?)

Are you using Payment's Standard ?

What type of item buttons - Subscriptions ?