Given the reference to "83603" and "Draft," this likely relates to an issue in , a toolkit used in visual effects pipelines (often with Deadline) to automate tasks like creating movies from image sequences.
: Provide real-time feedback during the "muxing" stage (the process of combining video and audio) to pinpoint if the crash is caused by specific audio sample rates or bitrate headers.
: Instead of relying on external codecs that may conflict, implement a native Draft.VideoEncoder module that specifically handles the MP4 container's requirements for AAC or MP3 audio streams without crashing.
Historically, users have reported a recurring bug (often tracked under specific ticket numbers like those involving "83603" in development logs) where , even though it works for MOV files. Recommended Feature: MP4 Audio Muxing & Encoding Fix