select espr_codigo_multi24 from enfs_parametr 
 System.Web.UI.ViewStateException: Viewstate inválido. 
	Client IP: 206.0.13.93
	Port: 32008
	Referer: http://saomarcos.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.