select espr_codigo_multi24 from enfs_parametr 
 System.Web.UI.ViewStateException: Viewstate inválido. 
	Client IP: 187.111.157.81
	Port: 59510
	Referer: http://saosebastiaodocai.nfse-tecnos.com.br/con_servicoprestadonfse.aspx
	Path: /con_servicoprestadonfse.aspx
	User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/109.0.0.0 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.