select espr_codigo_multi24 from enfs_parametr 
 System.Web.UI.ViewStateException: Viewstate inválido. 
	Client IP: 177.137.254.210
	Port: 50083
	Referer: http://fazendavilanova.nfse-tecnos.com.br/cad_consultaNotas.aspx
	Path: /cad_consultaNotas.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.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.