Classipress problems : Contributors cannot click on purchase memberships pack
Hi Classipress , My contributors and users when they click on the purchase a membership packs ,
it comes out a page error An Error Has Occurred
There was a problem processing your membership or payment was not successful. This error can also occur if you refresh the payment confirmation page. If you believe your order was not completed successfully, please contact the site administrator.
So what the main problem and how to solve this