select espr_codigo_multi24 from enfs_parametr 
 System.Web.UI.ViewStateException: Viewstate inválido. 
	Client IP: 179.189.71.172
	Port: 54728
	Referer: http://novabassano.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/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.ClientScriptManager.EnsureEventValidationFieldLoaded()
   --- Fim do rastreamento de pilha de exceções internas --- Referência de objeto não definida para uma instância de um objeto.