Error message corrupt file

[Dominic Di Chiera]

Hi everyone, I get a few error messages from time to time and I can't
quite decifer them. Here is a typical one from today . Can anyone
explain what it's actually telling me?

INFO: File name prefix =
Essential_Classics_-_Wednesday_-_Rob_Cowan_b01g5ytp_default
RTMPDump 2.4 git-6230845 2011-9-25
(c) 2010 Andrej Stepanchuk, Howard Chu, The Flvstreamer Team; license: GPL
ERROR: Last tag size must be greater/equal zero
(prevTagSize=-922619419) and smaller then filesize, corrupt file!
INFO: Command exit code 1 (raw code = 256)
WARNING: Retry recording for 'Essential Classics - Wednesday - Rob
Cowan (b01g5ytp)'
ERROR: Failed to get iphone URL from iplayer site