select espr_codigo_multi24 from enfs_parametr 
 System.Web.UI.ViewStateException: Viewstate inválido. 
	Client IP: 143.202.171.14
	Port: 50513
	Referer: http://portao.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 Edg/138.0.0.0
	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.