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'The state information is invalid for this page and might be corrupted' error

    Question

  • An admin user added a 'widget' for internet content to be displayed on our intranet (sharepoint). Now, anytime I try to modify the page (it is still checked out) I get this error:

    The state information is invalid for this page and might be corrupted.

    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.Web.HttpException: The state information is invalid for this page and might be corrupted.

    Source Error:

    The source code that generated this unhandled exception can only be shown when compiled in debug mode. To enable this, please follow one of the below steps, then request the URL:

    1. Add a "Debug=true" directive at the top of the file that generated the error. Example:

      <%@ Page Language="C#" Debug="true" %>

    or:

    2) Add the following section to the configuration file of your application:

    <configuration>
       <system.web>
           <compilation debug="true"/>
       </system.web>
    </configuration>

    Note that this second technique will cause all files within a given application to be compiled in debug mode. The first technique will cause only that particular file to be compiled in debug mode.

    Important: Running applications in debug mode does incur a memory/performance overhead. You should make sure that an application has debugging disabled before deploying into production scenario.

    Stack Trace:

    [FormatException: Invalid character in a Base-64 string.]
       System.Convert.FromBase64String(String s) +0
       System.Web.UI.ObjectStateFormatter.Deserialize(String inputString) +67
       System.Web.UI.ObjectStateFormatter.System.Web.UI.IStateFormatter.Deserialize(String serializedState) +4
       System.Web.UI.Util.DeserializeWithAssert(IStateFormatter formatter, String serializedState) +37
       System.Web.UI.HiddenFieldPageStatePersister.Load() +136
    
    [ViewStateException: Invalid viewstate. 
    	Client IP: 10.10.16.77
    	Port: 3996
    	User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; GTB6.4; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; MS-RTC LM 8; InfoPath.2) chromeframe/5.0.317.0
    	ViewState: 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...]
    
    [HttpException (0x80004005): The state information is invalid for this page and might be corrupted.]
       System.Web.UI.ViewStateException.ThrowError(Exception inner, String persistedState, String errorPageMessage, Boolean macValidationError) +267
       System.Web.UI.HiddenFieldPageStatePersister.Load() +218
       System.Web.UI.Page.LoadPageStateFromPersistenceMedium() +83
       System.Web.UI.Page.LoadAllState() +35
       System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +7350
       System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +213
       System.Web.UI.Page.ProcessRequest() +86
       System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) +18
       System.Web.UI.Page.ProcessRequest(HttpContext context) +49
       ASP.WELCOMELINKS_ASPX__1775745042.ProcessRequest(HttpContext context) +4
       Microsoft.SharePoint.Publishing.TemplateRedirectionPage.ProcessRequest(HttpContext context) +153
       System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +358
       System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +64
    


    Should I Publish it then re-check it out to edit or even restore to a prior version?
    • Moved by Mike Walsh FIN Monday, March 01, 2010 2:52 PM not a general question (From:SharePoint - General Question and Answers and Discussion (pre-SharePoint 2010))
    Monday, March 01, 2010 2:47 PM

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