New Post: error getting back from paypal gateway

Hi, Im getting this error when coming back from paypal gateway (order emails are getting out as payed, and order is marked as payed)

can you help me figure this out?

ModuleControlSource: DesktopModules/NB_Store/CheckOut.ascx

AssemblyVersion: 7.0.6

PortalID: 19

PortalName: e-BOGU PORTUGAL

UserID: -1

UserName:

ActiveTabID: 558

ActiveTabName: checkout

RawURL: /tabid/558/stg/5/ordID/1008/Default.aspx?PayPalExit=RETURN

AbsoluteURL: /Default.aspx

AbsoluteURLReferrer:

UserAgent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:26.0) Gecko/20100101 Firefox/26.0

DefaultDataProvider: DotNetNuke.Data.SqlDataProvider, DotNetNuke

ExceptionGUID: 8058d4f3-333a-4835-9157-e0da03968e2a

InnerException: Object reference not set to an instance of an object.

FileName:

FileLineNumber: 0

FileColumnNumber: 0

Method: NEvoWeb.Modules.NB_Store.GatewayWrapper.GetCompletedHtml

StackTrace:

Message: 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.GatewayWrapper.GetCompletedHtml(Int32 PortalID, Int32 UserID, HttpRequest Request, Int32 OrderID) at NEvoWeb.Modules.NB_Store.CheckOut.CompletedBankPayment() at NEvoWeb.Modules.NB_Store.CheckOut.Page_Load(Object sender, EventArgs e) --- End of inner exception stack trace ---

Source: