merhaba, 1.09 versiyonunda yönetim panelinde ürün detayında şu hatayı alıyorum

Stack Trace:

[SyntaxErrorException: Syntax error: Missing operand after '=' operator.] System.Data.ExpressionParser.Parse() +166 System.Data.DataExpression..ctor(DataTable table, String expression, Type type) +121 System.Data.DataView.set_RowFilter(String value) +153 ASPNetPortal.EditProduct.?(Int32 ?, Boolean ?) +15613 ASPNetPortal.EditProduct.?(Object ?, EventArgs ?) +545 System.Web.UI.Control.OnLoad(EventArgs e) +99 System.Web.UI.Control.LoadRecursive() +50 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627