the zip archive does not support reading csharp

        private ExcelPackage package;

        public ExcelReader(string zipFile, string excelFile, string sheetName)
        {
            _zipFile = zipFile;
            _excelFile = excelFile;
            _sheetName = sheetName;
        }

        public bool open()
        {
            FileInfo file = new FileInfo(_zipFile);
            if (!file.Exists)
            {
               return true;
            }
            var archive = ZipFile.OpenRead(@"./1.zip");
            string p = (DIR_PLANILHA + _excelFile).ToLower();
            ZipArchiveEntry entry = null;
            foreach (var ze in archive.Entries)
            {
                if (ze.FullName.EndsWith(p, StringComparison.OrdinalIgnoreCase))
                {
                    entry = ze;
                    break;
                }
            }
            if (entry == null)
            {
                archive.Dispose();
                return true;
            }
            try
            {
                package = new ExcelPackage(entry.Open());
            }
            catch (NotSupportedException e)
            {
                
                Console.WriteLine("ERROOOOOOOOO" + e);
            }
            
            sheet = package.Workbook.Worksheets[_sheetName];
            archive.Dispose();
            return false;
        }