I'm trying to make a DVD of some short videos that were encoded in Xvid. When I run avi2dvd I get this error.

[10:31:27 PM] AVI2DVD Started !
[10:31:28 PM] Type mode : Avi Input
[10:31:28 PM] Output : Dvd
[10:31:28 PM] Encoder Selected : HCEnc
[10:31:28 PM] Start demuxing the AudioStream No.1 ...
[10:31:29 PM] Demuxing of the selected audio finished
successfully ! [F:\Avi2dvd_temp\Extracted_Audio.mp3
4340108 Bytes]
[10:31:30 PM] Audio extracted renamed successfully !
[F:\Avi2dvd_temp\Fixed_Audio01.mp3 4340108 Bytes]
[10:31:30 PM] Starts Mp3->Ac3 convertion ...
[10:31:31 PM] Ac3 generated successfully !
[F:\Avi2dvd_temp\AudioStream 1 MP3 2CH.ac3 0 Bytes]
[10:31:31 PM] Job NOT Done. There are warnings ... Find
at the log file the 0 byte generated file to focus where
exactly the problem appears
The only I thought of was that the audio needs to be ripped out before it can be converted.

Any other ideas what the trouble is. I've read about this being a good program.