System.Web.UI.ViewStateException: Viewstate inválido. 
	Client IP: 187.58.136.163
	Port: 60968
	Referer: http://novabassano.nfse-tecnos.com.br/con_notastomadas.aspx
	Path: /con_notastomadas.aspx
	User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/138.0.0.0 Safari/537.36
	ViewState: 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... ---> System.FormatException: Comprimento inválido para uma matriz ou uma cadeia de caracteres de Base 64.
   em System.Convert.FromBase64_Decode(Char* startInputPtr, Int32 inputLength, Byte* startDestPtr, Int32 destLength)
   em System.Convert.FromBase64CharPtr(Char* inputPtr, Int32 inputLength)
   em System.Convert.FromBase64String(String s)
   em System.Web.UI.ObjectStateFormatter.Deserialize(String inputString, Purpose purpose)
   em System.Web.UI.ObjectStateFormatter.System.Web.UI.IStateFormatter2.Deserialize(String serializedState, Purpose purpose)
   em System.Web.UI.ClientScriptManager.EnsureEventValidationFieldLoaded()
   --- Fim do rastreamento de pilha de exceções internas --- Referência de objeto não definida para uma instância de um objeto.