hello,
1st of all, you should upgrade your package, you're using 1.20.396 and the current available is 1.20.404 ( indeed some issues are fixed since the version you're using, for a while now

2nd of all, you should install tsmuxer package which is only available in my personnal repository ( sudo apt-get install tsmuxer )
You did not install it , that's why you get tsMuxeR program not found in your log file
make sure you added my personal repository in you sources.list file ( see 1st post of this topic )
If ever you have some other issues , please let me know, i would be glad to help you
PS: The server may currently be down, .. if so don't worry, i 'm working on it .
Hope everything will be ok after you follow my instructions.