While using bd rebuilder to compress 4k movies I've been getting Failed to retrieve audio, aborted.

This is the whole process.

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[10/11/18] BD Rebuilder v0.60.02
[16:58:30] Source: BATMAN_BEGINS
- Input BD size: 73.80 GB
- Approximate total content: [02:31:23.157]
- Target BD size: 22.95 GB
- Windows Version: 6.2 [9200]
- Auto Quality: Good (Very Fast), ABR
- Decoding/Frame serving: FFMPEG
- Audio Settings: AC3=0 DTS=0 HD=0 Kbs=640
[16:58:30] PHASE ONE, Encoding
- [16:58:30] Processing: VID_00008 (1 of 2)
- [16:58:30] Extracting A/V streams [VID_00008]
- [16:58:37] Reencoding video [VID_00008]
- Source Video: HEVC, 3840x2160
- Rate/Length: 23.976fps, 8,184 frames
- Bitrate: 1,506 Kbs
- [16:58:37] Reencoding: VID_00008, Pass 1 of 1
- [17:47:26] Video Encode complete
- [17:47:26] Processing audio tracks
- [17:47:26] Multiplexing M2TS
- [17:47:31] Processing: VID_00030 (2 of 2)
- [17:47:31] Extracting A/V streams [VID_00030]
- Error in attempt to extract audio/subs.
- Bitstream exception Unknown exception. It does not have to be! Please contact application support team for more information.
[17:59:30] - Failed to retrieve audio, aborted


Any suggestions.
Thank you