Renderotica

When I use paypal, this message appear.

Server Error in '/' Application.
Object reference not set to an instance of an object.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:

Line 1017:
Line 1018:            //Load the payment section
Line 1019:            this.ShoppingCartControl.LoadStep(this.ShoppingCartControl.CurrentStepIndex+1);
Line 1020:            
Line 1021:        }

Source File: c:\CGBytesLive\cgbytes\WebRoot\CGBytes\CMSModules\Ecommerce\Controls\ShoppingCart\ShoppingCartPreview.ascx.cs    Line: 1019

Stack Trace:

[NullReferenceException: Object reference not set to an instance of an object.]
   CMS.EcommerceProvider.ShoppingCart.LoadStep(ShoppingCartStep stepControl) +144
   CGBytes_CMSModules_Ecommerce_Controls_ShoppingCart_ShoppingCartPreview.btnbeforeOrder_Click(Object sender, EventArgs e) in c:\CGBytesLive\cgbytes\WebRoot\CGBytes\CMSModules\Ecommerce\Controls\ShoppingCart\ShoppingCartPreview.ascx.cs:1019
   System.Web.UI.WebControls.Button.OnClick(EventArgs e) +11758367
   System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +149
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5027

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3429.0

Alright, just some technological error, I see. it worked now so thanks for letting me know.