error open posts blogengine

Topics: ASP.NET 2.0
Feb 2 at 11:18 PM
I have a blog with blogengine 2.8 and every time I try to open a post I get the following error:

Error Details:
Url : http://website.com/post.aspx?id=264a05c1-c198-465a-9c8c-2eb57bc7f032

Raw Url : /post/content-post

Message : A type exception occurred 'System.Web.HttpUnhandledException'.

Source : System.Web

StackTrace : en System.Web.UI.Page.HandleError(Exception e)

en System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

en System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

en System.Web.UI.Page.ProcessRequest()

en System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context)

en System.Web.UI.Page.ProcessRequest(HttpContext context)

en ASP.post_aspx.ProcessRequest(HttpContext context)

en System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()

en System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)

TargetSite : Boolean HandleError(System.Exception)

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

Source : App_Code.0zjxevue

StackTrace : en App_Code.Controls.RecaptchaControl.OnInit(EventArgs e)

en System.Web.UI.Control.InitRecursive(Control namingContainer)

en System.Web.UI.Control.InitRecursive(Control namingContainer)

en System.Web.UI.Control.InitRecursive(Control namingContainer)

en System.Web.UI.Control.InitRecursive(Control namingContainer)

en System.Web.UI.Control.InitRecursive(Control namingContainer)

en System.Web.UI.Control.InitRecursive(Control namingContainer)

en System.Web.UI.Control.InitRecursive(Control namingContainer)

en System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)

TargetSite : Void OnInit(System.EventArgs)

That could be happening?
How can I solve that?
Thank you very much for the help in advance.