System.Web.UI.ViewStateException: Viewstate inválido. 
	Client IP: 128.201.149.231
	Port: 18263
	Referer: http://tupandi.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.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.