Alright, upgraded and re-downloaded the file. I think this is the relevant section of the error log, but just in case I've included the whole file as well.
011-12-27 17:40:49,131::INFO::[newsunpack:952] Verified in 25 seconds, repair is required
2011-12-27 17:40:49,137::INFO::[newsunpack:990] Need to fetch 1500 more blocks, checking blocks
2011-12-27 17:40:49,138::INFO::[newsunpack:1012] 355 blocks available
2011-12-27 17:40:49,140::INFO::[newsunpack:1043] Added 355 blocks to Kara no Kyoukai [Complete][Coalgirls][1280x720][Bluray][FLAC]
2011-12-27 17:40:49,141::INFO::[newsunpack:790] Par verify failed on E:\Downloads\incomplete\Kara no Kyoukai [Complete][Coalgirls][1280x720][Bluray][FLAC]\[Coalgirls]_Kara_no_Kyoukai_1_-_Overlooking_View_(1280x720_Blu-ray_FLAC)_[ED328EEC].mkv.vol000+001.par2!
2011-12-27 17:40:49,144::INFO::[postproc:517] Running repair on set [Coalgirls]_Kara_no_Kyoukai_5_-_Paradox_Spiral_(1280x720_Blu-ray_FLAC)_[89E5B94E].mkv
2011-12-27 17:40:49,145::ERROR::[postproc:447] Post Processing Failed for Kara no Kyoukai [Complete][Coalgirls][1280x720][Bluray][FLAC] ()
2011-12-27 17:40:49,147::INFO::[postproc:449] Traceback:
Traceback (most recent call last):
File "sabnzbd\postproc.pyo", line 262, in process_job
File "sabnzbd\postproc.pyo", line 519, in parring
File "sabnzbd\newsunpack.pyo", line 754, in par2_repair
http://www.mediafire.com/?bovc78z8bq7y24w