It just looks like a placeholder with label "Live Broadcast", which is not acccurate obviously. The first thing I would suspect, also, is a bitrate issue. Test with bitrate cut in half and see if that make a difference.
And/or there is something unusual about the key frame frequency in this file. You can add this Property to the /conf/[app-name]/Application.xml /HTTPStreamers /Properties list:
You can use ffmpeg to get the info you need to adjust cupertinoChunkDurationTarget
Look for the fps and tbc numbers. For example, the Wowza sample.mp4 file has
tbc/fbs = key frame frequency in seconds * 1000 = milliseconds.
You want chunkDurationTarget to be a multiple of key frame frequency in milliseconds, as explained here: