Message: Exception of type 'System.Web.HttpUnhandledException' was thrown.
Exception: System.Web.HttpUnhandledException: Exception of type 'System.Web.HttpUnhandledException' was thrown. ---> System.Collections.Generic.KeyNotFoundException: The given key was not present in the dictionary. at System.ThrowHelper.ThrowKeyNotFoundException() at System.Collections.Generic.Dictionary`2.get_Item(TKey key) at NopSolutions.NopCommerce.Web.PaypalPDTHandlerPage.Page_Load(Object sender, EventArgs e) in D:\Work\Own\NopCommerce\Solution\PublishedSite\Solution\NopCommerceStore\PaypalPDTHandler.aspx.cs:line 88 at System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) at System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) at System.Web.UI.Control.OnLoad(EventArgs e) at NopSolutions.NopCommerce.Web.BaseNopPage.OnLoad(EventArgs e) in D:\Work\Own\NopCommerce\Solution\PublishedSite\Solution\NopCommerceStore\Controls\BaseNopPage.cs:line 77 at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) --- End of inner exception stack trace --- at System.Web.UI.Page.HandleError(Exception e) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) at System.Web.UI.Page.ProcessRequest() at System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) at System.Web.UI.Page.ProcessRequest(HttpContext context) at ASP.paypalpdthandler_aspx.ProcessRequest(HttpContext context) in c:\Windows\Microsoft.NET\Framework\v2.0.50727\Temporary ASP.NET Files\root\555919df\9e4ac7a2\App_Web_lbcudsgu.36.cs:line 0 at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
Exception: System.Web.HttpUnhandledException: Exception of type 'System.Web.HttpUnhandledException' was thrown. ---> System.Collections.Generic.KeyNotFoundException: The given key was not present in the dictionary...
It seems that you need to debug the application (PaypalPDTHandler.aspx.cs file) in order know what key is not found in the collection. Please debug and let me know what key is not found. What version of nopCommerce are you using?
Thank you for your quick reply. I am using version 1.30. Funny how I tested again and again, the Return URL did not work several days before. Now it seems to be working OK and I did not have to do anything. Is there a bug?
Regards,
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