select espr_codigo_multi24 from enfs_parametr 
 System.Web.UI.ViewStateException: Viewstate inválido. 
	Client IP: 179.189.72.218
	Port: 17880
	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 Edg/138.0.0.0
	ViewState: 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... ---> System.Web.HttpException: O cliente se desconectou. ---> System.Web.UI.ViewStateException: Viewstate inválido. 
	Client IP: 179.189.72.218
	Port: 17880
	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 Edg/138.0.0.0
	ViewState: 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...
   --- Fim do rastreamento de pilha de exceções internas ---
   em System.Web.UI.ViewStateException.ThrowError(Exception inner, String persistedState, String errorPageMessage, Boolean macValidationError)
   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.