System.Web.UI.ViewStateException: Viewstate inválido. 
	Client IP: 45.190.251.77
	Port: 23825
	Referer: http://santatereza.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.