New Post: CONTENT LOCALIZATION ISSUE

Now it works haven't idea why

Paypal image in checkout don't show (all paypal settings are correct) and if i try to press button get this error:
ModaInLinea - Checkout is currently unavailable. DotNetNuke.Services.Exceptions.ModuleLoadException: Object reference not set to an instance of an object. ---> System.NullReferenceException: Object reference not set to an instance of an object. at NEvoWeb.Modules.NB_Store.Gateway.GatewayPayPal.StringListReplace(String value, String searchfor, String replacewith) at NEvoWeb.Modules.NB_Store.Gateway.GatewayPayPal.PayPalEncode(String value) at NEvoWeb.Modules.NB_Store.Gateway.GatewayPayPal.SetBankRemotePost(Int32 PortalID, Int32 OrderID, String Lang, HttpRequest Request) at NEvoWeb.Modules.NB_Store.GatewayWrapper.SetBankRemotePost(Int32 PortalID, Int32 OrderID, String Lang, HttpRequest Request) at NEvoWeb.Modules.NB_Store.CheckOut.GatewayRedirect() at NEvoWeb.Modules.NB_Store.CheckOut.Page_Load(Object sender, EventArgs e) --- End of inner exception stack trace --

Think once resolved this i'm done...
there is a way to fix this?sorry for all these questions but i'm in a hurry...
Thanks