{
  "error": "Transkripsi gagal: Perintah '['/home/martin/fastapi/transcription_service/subs_venv/bin/demucs', '--two-stems=vocals', '-d', 'cuda:1', '-o', '/home/martin/fastapi/transcription_service', '--namafile', 'processed_{stem}.wav', '/tmp/tmpdhj_48hy.mp3']' mengembalikan status keluar bukan nol 1."
}