             the one in memory is from SN [50-60], and we are trying to load SN50.
              */
             CONFIG::LOGGING {
-                Log.error("I/O Error while loading fragment:" + message);
+                Log.warn("I/O Error while loading fragment:" + message);
             }
             if (HLSSettings.fragmentLoadMaxRetry == -1 || _fragRetryCount < HLSSettings.fragmentLoadMaxRetry) {
                 _loadingState = LOADING_FRAGMENT_IO_ERROR;

            var fragData : FragmentData = _fragCurrent.data;
            var fragLevelIdx : int = _fragCurrent.level;
            if ((_demux.audioExpected && !fragData.audio_found) && (_demux.videoExpected && !fragData.video_found)) {
                hlsError = new HLSError(HLSError.FRAGMENT_PARSING_ERROR, _fragCurrent.url, "error parsing fragment, no tag found");
                _hls.dispatchEvent(new HLSEvent(HLSEvent.ERROR, hlsError));
            }
            CONFIG::LOGGING {
                if (fragData.audio_found) {
                    Log.debug("m/M audio PTS:" + fragData.pts_min_audio + "/" + fragData.pts_max_audio);


        /** frag load completed. **/
        private function _fragLoadCompleteHandler(event : Event) : void {
            var fragData : FragmentData = _fragCurrent.data;
            if (fragData.bytes == null) {
                CONFIG::LOGGING {
