I am getting an error after upgrading from 4.7 to 6.0.2.
Server Error in '/' Application.
An item with the same key has already been added.
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.ArgumentException: An item with the same key has already been added.
Source Error:
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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:
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[ArgumentException: An item with the same key has already been added.] System.ThrowHelper.ThrowArgumentException(ExceptionResource resource) +52 System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add) +265 System.Collections.Generic.Dictionary`2.Add(TKey key, TValue value) +36 umbraco.cms.businesslogic.ContentType.GetDataType(String contentTypeAlias, String propertyTypeAlias) +274 Umbraco.Core.PublishedContentHelper.GetDataType(String docTypeAlias, String propertyAlias) +22 Umbraco.Web.PublishedContentExtensions.GetPropertyValue(IPublishedContent prop, String alias, Boolean recursive, T ifCannotConvert) +76 Umbraco.Web.PublishedContentExtensions.GetPropertyValue(IPublishedContent prop, String alias, T ifCannotConvert) +11 Umbraco.Web.Routing.PublishedContentRequestBuilder.FollowRedirect() +47 Umbraco.Web.Routing.PublishedContentRequestBuilder.LookupDocument() +190 Umbraco.Web.Routing.PublishedContentRequest.ProcessRequest(HttpContextBase httpContext, UmbracoContext umbracoContext, Action`1 onSuccess) +171 Umbraco.Web.UmbracoModule.ProcessRequest(HttpContextBase httpContext) +356 Umbraco.Web.UmbracoModule.<Init>b__7(Object sender, EventArgs e) +79 System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +135 System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +137 |
If you need any other information, please let me know. :)