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                                                                                wukimus-hotmail
                                                                            - 
                                                                                8/15/2013 1:10:55 PM
                                                                            
                                                                         
                                                                        The state information is invalid for this page, when attempting to save info in a editable textbox or when trying to remove a web part 
                                                                            Hi all,
 I get the following error in the event log when I am attempting to save information in a editable textbox or if I try to remove a web part. I am using portal pages.Can anyone tell me whats the problem and possibly a fix. Thanks in advance
 
 Event ID: 	631292
 Event type: 	Error
 Event time: 	8/15/2013 1:57:05 PM
 Source: 	Content
 Event code: 	DESIGN
 User name: 	admin4
 IP address: 	72.252.26.88
 
 Description: 	Message: The state information is invalid for this page and might be corrupted.
 Stack Trace:
 at System.Web.UI.ViewStateException.ThrowError(Exception inner, String persistedState, String errorPageMessage, Boolean macValidationError)
 at System.Web.UI.ViewStateException.ThrowViewStateError(Exception inner, String persistedState)
 at System.Web.UI.HiddenFieldPageStatePersister.Load()
 at System.Web.UI.Page.LoadPageStateFromPersistenceMedium()
 at System.Web.UI.Page.LoadAllState()
 at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)
 Invalid viewstate.
 Client IP: 72.252.26.88
 Port: 53256
 Referer: http://www.aaa.org/cms/getdoc/ac7e1897-77bc-47f0-9af8-15202265ae11/professionals.aspx?viewmode=6&lang=en-US&langobjectlifetime=request
 Path: /CMSPages/PortalTemplate.aspx
 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:22.0) Gecko/20100101 Firefox/22.0
 ViewState:
 
 Value cannot be null.
 Parameter name: inputString
 at System.Web.UI.ObjectStateFormatter.Deserialize(String inputString)
 at System.Web.UI.ObjectStateFormatter.System.Web.UI.IStateFormatter.Deserialize(String serializedState)
 at System.Web.UI.Util.DeserializeWithAssert(IStateFormatter formatter, String serializedState)
 at System.Web.UI.HiddenFieldPageStatePersister.Load()
 
 Machine name: 	AAAAAAAAAAAAAAAAAA
 Event URL: 	/cms/getdoc/ac7e1897-77bc-47f0-9af8-15202265ae11/professionals.aspx?viewmode=6&lang=en-US&langobjectlifetime=request
 URL referrer: 	http://www.aaa.org/cms/getdoc/ac7e1897-77bc-47f0-9af8-15202265ae11/professionals.aspx?viewmode=6&lang=en-US&langobjectlifetime=request
 User agent: 	Mozilla/5.0 (Windows NT 6.1; WOW64; rv:22.0) Gecko/20100101 Firefox/22.0
 
                                                                            
                                                                         
 
                                                                            
                                                                            
                                                                            
                                                                            
                                                                            
                                                                         
                                                                            
                                                                            
                                                                            
                                                                            
                                                                         
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