select espr_codigo_multi24 from enfs_parametr 
 System.Web.UI.ViewStateException: Viewstate inválido. 
	Client IP: 200.18.122.8
	Port: 28697
	Referer: http://westfalia.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/139.0.0.0 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.ClientScriptManager.EnsureEventValidationFieldLoaded()
   --- Fim do rastreamento de pilha de exceções internas --- Referência de objeto não definida para uma instância de um objeto.