Profile: cqjiyong

I have installed the nop-template plugins(Seven Spikes Core, Nop Uptown Theme), after installing Nop Cloud Zoom plugin, the product detail thrown an error, like the following, could anyone take a look it?

Server Error in '/' Application.

Buffer cannot be null.
Parameter name: buffer

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.ArgumentNullException: Buffer cannot be null.
Parameter name: buffer

Source Error: 


Line 3:  @foreach (var widget in Model)
Line 4:  {
Line 5:      @Html.Action(widget.ActionName, widget.ControllerName, widget.RouteValues)
Line 6:  }

Source File: g:\Git projects\PFAFF\Presentation\Nop.Web\Views\Widget\WidgetsByZone.cshtml    Line: 5