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The webpart could not be deserialized from the markup

Posted By:      Posted Date: October 28, 2010    Points: 0   Category :SharePoint
 
Hello,

I ve a problem with MOSS and sharepoint designer. Each time I try to open a default.aspx with SPdesigner I get an error the page : SPSWC:redirecttowelcomepage : The webpart could not be deserialized from the markup (The code is below). Please can somebody help me ! I can't customize anything due to this error.

thanks in advance !



<%@ Register Tagprefix="SPSWC" Namespace="Microsoft.SharePoint.Portal.WebControls" Assembly="Microsoft.SharePoint.Portal, Version=12.0.0.0, Culture=neutral, PublicKeyToken=71e9bce111e9429c" %>
<html><head>
<META name="WebPartPageExpansion" content="full">
</head>
<body><head>
<META name="WebPartPageExpansion" content="full">
</head>
<form runat="server"><SPSWC:RedirectToWelcomePage runat="server"/></form></body></html>



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