System.Web.UI.ViewStateException: Viewstate inválido. 
	Client IP: 35.208.38.153
	Port: 1281
	Referer: 
	Path: /default.aspx
	User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/116.0
	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.Util.DeserializeWithAssert(IStateFormatter2 formatter, String serializedState, Purpose purpose)
   em System.Web.UI.HiddenFieldPageStatePersister.Load()
   --- Fim do rastreamento de pilha de exceções internas --- Referência de objeto não definida para uma instância de um objeto.