Error Code 80029946 occurs in Playstation 3 and caused by an issue playing a burnt NTSC disc on a PAL PlayStation 3 machine.
To solve this error :
- A NTSC burnt disc must be played on a NTSC PlayStation 3 machine.
- Try burning the disc again in NTSC format.
- A work around is to use a media streamer to stream the disc contents from a computer to your PS3.