Hybrid creates video Stream size 0 Byte

[Selur]

About the crash:
Hybrid calls:

"C:\Program Files\Hybrid\64bit\ffmpeg.exe" -y  -r 50/1 -itsoffset 00:00:00.100 -i "C:\Windows\Temp\25 Lovers (ARD. Musikladen. 03.05.1984)_2021-05-15@23_47_24_2910_10.mkv" -i "C:\Windows\Temp\iId_1_aid_5312_lang_de_DELAY_100ms_2021-05-15@23_47_24_2910_02.flac" -i "C:\Windows\Temp\iId_2_aid_5316_lang_de_DELAY_4ms_2021-05-15@23_47_24_2910_05.flac" -i "C:\Windows\Temp\iId_3_aid_5312_lang_de_DELAY_100ms_2021-05-15@23_47_24_2910_08.flac" -vcodec copy -acodec copy -metadata encoding_tool="Hybrid 2021.05.02.1" -map 0:0 -map 1:0 -map 2:0 -map 3:0  -aspect 177778:100000 -r 50/1 "H:\!_Video\Video_Mus\Jennifer Rush\25 Lovers (ARD. Musikladen. 03.05.1984).mkv"

and aborts with:

ffmpeg version N-101660-ge4753b731e-g288ca1c667+4 Copyright (c) 2000-2021 the FFmpeg developers
  built with gcc 10.2.0 (Rev9, Built by MSYS2 project)
  configuration:  --pkg-config=pkgconf --cc='ccache gcc' --cxx='ccache g++' --ld='ccache g++' --disable-autodetect --enable-amf --enable-bzlib --enable-cuda --enable-cuvid --enable-d3d11va --enable-dxva2 --enable-iconv --enable-lzma --enable-nvenc --enable-zlib --enable-sdl2 --enable-ffnvcodec --enable-nvdec --enable-cuda-llvm --enable-libmp3lame --enable-libopus --enable-libvorbis --enable-libvpx --enable-libx264 --enable-libx265 --enable-libdav1d --enable-libaom --disable-debug --enable-fontconfig --enable-libass --enable-libbluray --enable-libfreetype --enable-libmfx --enable-libmysofa --enable-libopencore-amrnb --enable-libopencore-amrwb --enable-libopenjpeg --enable-libsnappy --enable-libsoxr --enable-libspeex --enable-libtheora --enable-libtwolame --enable-libvidstab --enable-libvo-amrwbenc --enable-libwebp --enable-libxml2 --enable-libzimg --enable-libshine --enable-gpl --enable-avisynth --enable-libxvid --enable-libopenmpt --enable-version3 --enable-librav1e --enable-libsrt --enable-libgsm --enable-libvmaf --enable-libsvtav1 --enable-chromaprint --enable-frei0r --enable-libbs2b --enable-libcaca --enable-libcdio --enable-libflite --enable-libfribidi --enable-libgme --enable-libilbc --enable-libsvthevc --enable-libsvtvp9 --enable-libkvazaar --enable-libmodplug --enable-librtmp --enable-librubberband --enable-libtesseract --enable-libxavs --enable-libzmq --enable-libzvbi --enable-openal --enable-libcodec2 --enable-ladspa --enable-libglslang --enable-vulkan --enable-libdavs2 --enable-libxavs2 --enable-libuavs3d --enable-mbedtls --extra-cflags=-fopenmp --extra-libs=-lgomp --extra-cflags=-DLIBTWOLAME_STATIC --extra-libs=-lstdc++ --extra-cflags=-DCACA_STATIC --extra-cflags=-DMODPLUG_STATIC --extra-cflags=-DCHROMAPRINT_NODLL --extra-libs=-lstdc++ --extra-cflags=-DZMQ_STATIC --extra-libs=-lpsapi --extra-cflags=-DLIBXML_STATIC --extra-libs=-liconv --disable-w32threads --extra-cflags=-DKVZ_STATIC_LIB --extra-cflags=-DAL_LIBTYPE_STATIC --extra-cflags='-II:/media-autobuild_suite/local64/include/AL'
  libavutil      56. 71.100 / 56. 71.100
  libavcodec     58.135.100 / 58.135.100
  libavformat    58. 77.100 / 58. 77.100
  libavdevice    58. 14.100 / 58. 14.100
  libavfilter     7.111.100 /  7.111.100
  libswscale      5. 10.100 /  5. 10.100
  libswresample   3. 10.100 /  3. 10.100
  libpostproc    55. 10.100 / 55. 10.100

[matroska,webm @ 000001e9f5f2fd40] Duplicate element
[matroska,webm @ 000001e9f5f2fd40] Element at 0x45 ending at 0x34e05 exceeds containing master element ending at 0x13f1
[matroska,webm @ 000001e9f5f2fd40] Duplicate element
[matroska,webm @ 000001e9f5f2fd40] Element at 0x54 ending at 0x844e14 exceeds containing master element ending at 0x1400
[matroska,webm @ 000001e9f5f2fd40] Element at 0x63 ending at 0x508ecb7 exceeds containing master element ending at 0x140f

C:\Windows\Temp\25 Lovers (ARD. Musikladen. 03.05.1984)_2021-05-15@23_47_24_2910_10.mkv: End of file

no clue why, call itself looks fine to me and I can't reproduce this here.
-> Are you sure your source file isn't damaged somehow?


About "Hybrid converts input audio in to PCM.":
According to the debug output "Config->Input->Extraction->Always extract audio to wav" is enabled.

Cu Selur