CS2214 (recording playout failed) can be caused because the 360 has lost it's internet connection. Check that all cabling, especially the white coaxial is secure and free from any kinks, if you are using an ethernet cable then make sure that it is snug and tight, also reboot both the 360 and hub at the same time so they can make the handshake again.
Although the playback failure is probably due to a hard drive issue since pausing a live program has problems.
You could try a factory reset although the issue will probably occur again in which case then your box will need swapping out.
To factory reset go to Settings (the cog at the end of the Home menu) > System > Factory Reset. It's actually misnamed and only a partial system reset and not a complete factory reset. You are given 2 options
Keep Recordings
Format Disk
Normally I would suggest choosing Keep Recordings, which means you won't lose your recordings, and any planned recordings, but if you have lost all recordings then choose the Format Disk option.