"muxavformat: avformat_write_header fehlgeschlagen!" - Warum?

Ich habe eine DVD mit der Handbremse 0.10.2 (x86_64) unter Linux Mint 18.2 gesichert. Mit 1-Pass-Codierung - es funktioniert, aber mit 2-Pass-Codierung erhalte ich Folgendes:

[15:44:44] starting job [15:44:44] sync: expecting 165614 video frames [15:44:44] job configuration: [15:44:44] * source [15:44:44] + /media/joeuser/MYDVD/VIDEO_TS [15:44:44] + title 1, chapter(s) 1 to 1 [15:44:44] * destination [15:44:44] + /tmp/out.mkv [15:44:44] + container: Matroska (libavformat) [15:44:44] * video track [15:44:44] + decoder: mpeg2video [15:44:44] + bitrate 200 kbps [15:44:44] + filters [15:44:44] + Detelecine (pullup) (default settings) [15:44:44] + Framerate Shaper (0:27000000:900900) [15:44:44] + frame rate: same as source (around 29,970 fps) [15:44:44] + Crop and Scale (682:348:28:104:22:16) [15:44:44] + source: 720 * 480, crop (28/104/22/16): 682 * 348, scale: 682 * 348 [15:44:44] + loose anamorphic [15:44:44] + storage dimensions: 682 * 348, mod 2 [15:44:44] + pixel aspect ratio: 8 / 9 [15:44:44] + display dimensions: 606 * 348 [15:44:44] + encoder: H.264 (libx264) [15:44:44] + preset: slower [15:44:44] + tune: film [15:44:44] + profile: main [15:44:44] + level: 4.0 [15:44:44] + bitrate: 2500 kbps, pass: 2 [15:44:44] * subtitle track 1, English (track 1, id 0x20bd) Picture [VOBSUB] -> Passthrough, Forced Only, Default [15:44:44] * subtitle track 2, Closed Captions (track 0, id 0x0) Text [CC] -> Passthrough [15:44:44] * audio track 1 [15:44:44] + decoder: English (AC3) (2.0 ch) (track 1, id 0x80bd) [15:44:44] + bitrate: 192 kbps, samplerate: 48000 Hz [15:44:44] + mixdown: Stereo [15:44:44] + encoder: AAC (libavcodec) [15:44:44] + bitrate: 160 kbps, samplerate: 48000 Hz [15:44:44] * audio track 2 [15:44:44] + decoder: Espanol (AC3) (2.0 ch) (track 2, id 0x81bd) [15:44:44] + bitrate: 192 kbps, samplerate: 48000 Hz [15:44:44] + mixdown: Stereo [15:44:44] + encoder: AAC (libavcodec) [15:44:44] + bitrate: 160 kbps, samplerate: 48000 Hz libdvdnav: Using dvdnav version 5.0.3 libdvdread: Attempting to use device /dev/sr0 mounted on /media/eyalroz/CHIAPAS for CSS authentication libdvdnav: Can't read name block. Probably not a DVD-ROM device. libdvdnav: vm: dvd_read_name failed libdvdnav: DVD disk reports itself with Region mask 0x00000000. Regions: 1 2 3 4 5 6 7 8 libdvdread: Attempting to use device /dev/sr0 mounted on /media/joeuser/MYDVD for CSS authentication libdvdnav: DVD disk reports itself with Region mask 0x00000000. Regions: 1 2 3 4 5 6 7 8 [15:44:44] encx264: min-keyint: 30, keyint: 300 [15:44:44] encx264: encoding at average bitrate 2500  libdvdread: Attempting to retrieve all CSS keys libdvdread: This can take a _long_ time, please be patient  libdvdread: Get key for /VIDEO_TS/VTS_01_0.VOB at 0x0000010c libdvdread: Elapsed time 0 libdvdread: Get key for /VIDEO_TS/VTS_01_1.VOB at 0x0000013a libdvdread: Elapsed time 0 libdvdread: Found 1 VTS's libdvdread: Elapsed time 0 [15:44:44] encx264: unparsed options: level=4.0:ref=8:b-adapt=2:direct=auto:deblock=-1,-1:analyse=all:8x8dct=0:me=umh:subme=9:trellis=2:psy-rd=1,00,0,15:vbv-bufsize=25000:vbv-maxrate=20000:rc-lookahead=60 [15:44:44] reader: first SCR 146 id 0xe0 DTS 22254 x264 [info]: using SAR=8/9 x264 [info]: using cpu capabilities: MMX2 SSE2Fast SSSE3 SSE4.2 AVX FMA3 AVX2 LZCNT BMI2 [15:44:44] mpeg2video: "Chapter 1" (1) at frame 0 time 3003 x264 [info]: profile Main, level 4.0 [15:44:46] sync: first pts is 3003 [15:44:46] muxavformat: avformat_write_header failed! [15:44:46] reader: done. 1 scr changes [15:44:46] work: average encoding speed for job is 0,000000 fps [15:44:47] sync: got 35 frames, 165614 expected [15:44:47] render: lost time: 9009 (0 frames) [15:44:47] render: gained time: 9009 (4 frames) (0 not accounted for) [15:44:47] mpeg2video-decoder done: 45 frames, 0 decoder errors, 0 drops [15:44:47] ac3-decoder done: 0 frames, 0 decoder errors, 0 drops [15:44:47] ac3-decoder done: 0 frames, 0 decoder errors, 0 drops [15:44:47] mux: track 0, 0 frames, 0 bytes, 0,00 kbps, fifo 8 [15:44:47] mux: track 1, 0 frames, 0 bytes, 0,00 kbps, fifo 8 [15:44:47] mux: track 2, 0 frames, 0 bytes, 0,00 kbps, fifo 8 [15:44:47] mux: track 3, 0 frames, 0 bytes, 0,00 kbps, fifo 8 [15:44:47] mux: track 4, 0 frames, 0 bytes, 0,00 kbps, fifo 8 [15:44:47] libhb: work result = 3 

Was ist falsch? Ich verstehe es nicht