Oscommerce postfinance module

We have installed the PostFinance E-Payment Module ([login to view URL]) on our shop Oscommerce 2.2-MS2 We are meeting a couple of issues and we need them to be fixed. * After the payment at Postfinance, the automatic redirection takes us to the [login to view URL], and the cart is not empty (For some reason [login to view URL] is redirecting to [login to view URL]) * Also In DB and osc admin the orders are always made twice. ## Deliverables 1) All deliverables will be considered "work made for hire" under U.S. Copyright law. Employer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the employer on the site per the worker's Worker Legal Agreement). 2) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 3) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Employer's environment--Deliverables must be installed by the Worker in ready-to-run condition in the Employer's environment. b) For all others including desktop software or software the employer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this project. ## Platform Oscommerce 2.2-MS2 PHP Version 5.2.6