Can U help me

When I create product in ecommerce... 

Server Error in '/' Application.

Value cannot be null.
Parameter name: key



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: Value cannot be null.
Parameter name: key



Source Error:








An unhandled exception was generated during the execution of the current
web request. Information regarding the origin and location of the
exception can be identified using the exception stack trace below.








Stack Trace:






[ArgumentNullException: Value cannot be null.
Parameter name: key]
System.Collections.Generic.Dictionary`2.FindEntry(TKey key) +10757081
System.Collections.Generic.Dictionary`2.TryGetValue(TKey key, TValue& value) +12
Microsoft.VisualStudio.Web.PageInspector.Runtime.Tracing.BrowserLinkExecutionListener.FindSourceFile(PageExecutionContext context, RenderedSourceFile& sourceFile) +33
Microsoft.VisualStudio.Web.PageInspector.Runtime.Tracing.BrowserLinkExecutionListener.OpenRenderRange(PageExecutionContext context, Int32 renderedStartPosition) +28
Microsoft.VisualStudio.Web.PageInspector.Runtime.Tracing.BrowserLinkExecutionListener.BeginContext(PageExecutionContext context) +42
Microsoft.VisualStudio.Web.PageInspector.Runtime.WebForms.SelectionMappingRenderTraceListener.Begin(TextWriter writer, String file, Int32 start, Int32 length, Boolean literal) +181
Microsoft.VisualStudio.Web.PageInspector.Runtime.WebForms.SelectionMappingRenderTraceListener.BeginRendering(TextWriter writer, Object renderedObject) +141
System.Web.UI.RenderTraceListenerList.BeginRendering(TextWriter writer, Object renderedObject) +96
System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +37
System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +100
System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +25
System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +128
System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +8
System.Web.UI.Control.Render(HtmlTextWriter writer) +10
System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +57
System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +100
System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +25
System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children) +128
System.Web.UI.Control.RenderChildren(HtmlTextWriter writer) +8
System.Web.UI.WebControls.WebControl.RenderContents(HtmlTextWriter writer) +10
System.Web.UI.WebControls.WebControl.Render(HtmlTextWriter writer) +32
System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter) +57
System.Web.UI.Control.RenderControl(HtmlTextWriter writer, ControlAdapter adapter) +100
System.Web.UI.Control.RenderControl(HtmlTextWriter writer) +25
Telerik.Sitefinity.Web.UI.Fields.TextField.GetHtmlOutputForControl(Control ctrl) +140
Telerik.Sitefinity.Web.UI.Fields.TextField.ConstructClientSideTemplates(GenericContainer container) +855
Telerik.Sitefinity.Web.UI.Fields.TextField.InitializeControls(GenericContainer container) +56
Telerik.Sitefinity.Web.UI.SimpleView.CreateChildControls() +106
System.Web.UI.Control.EnsureChildControls() +83
System.Web.UI.Control.PreRenderRecursiveInternal() +42
System.Web.UI.Control.PreRenderRecursiveInternal() +155
System.Web.UI.Control.PreRenderRecursiveInternal() +155
System.Web.UI.Control.PreRenderRecursiveInternal() +155
System.Web.UI.Control.PreRenderRecursiveInternal() +155
System.Web.UI.Control.PreRenderRecursiveInternal() +155
System.Web.UI.Control.PreRenderRecursiveInternal() +155
System.Web.UI.Control.PreRenderRecursiveInternal() +155
System.Web.UI.Control.PreRenderRecursiveInternal() +155
System.Web.UI.Control.PreRenderRecursiveInternal() +155
System.Web.UI.Control.PreRenderRecursiveInternal() +155
System.Web.UI.Control.PreRenderRecursiveInternal() +155
System.Web.UI.Control.PreRenderRecursiveInternal() +155
System.Web.UI.Control.PreRenderRecursiveInternal() +155
System.Web.UI.Control.PreRenderRecursiveInternal() +155
System.Web.UI.Control.PreRenderRecursiveInternal() +155
System.Web.UI.Control.PreRenderRecursiveInternal() +155
System.Web.UI.Control.PreRenderRecursiveInternal() +155
System.Web.UI.Control.PreRenderRecursiveInternal() +155
System.Web.UI.Control.PreRenderRecursiveInternal() +155
System.Web.UI.Control.PreRenderRecursiveInternal() +155
System.Web.UI.Control.PreRenderRecursiveInternal() +155
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +974

Hi,

Please refer to the following KB article where you will find a fix for the problem:

www.sitefinity.com/.../create-product-value-cannot-be-null-exception-when-the-project-is-included-into-an-empty-solution-in-visual-studio-2013

Regards,
Stefani Tacheva
Telerik