select espr_codigo_multi24 from enfs_parametr 
 System.Web.UI.ViewStateException: Viewstate inválido. 
	Client IP: 200.33.132.1
	Port: 64969
	Referer: http://riozinho.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.