ffmpeg fix restreaming

hi i try to restream one live streaming but then 15h / 22h outstream crash video and audio and i have this error. Non-monotonous DTS in output stream 0:1; previous: 82169645, current: 821669465. This may result in incorrect timestamps in the output file. How to fix this ? i not try nothing for fix. this is my script : #! /bin/bash PRESET="ultrafast" # ultrafast, superfast, veryfast, faster, fast, medium, slow, slower, veryslow, placebo SOURCE="[login to view URL]" OUT_URL="rtmp://rtmp-outoput" ffmpeg -re -i "$SOURCE" -vcodec libx264 -preset $PRESET -maxrate 4000k -b:v 2500k -bufsize 600k -pix_fmt yuv420p -g 60 -c:a aac -b:a 160k -ac 2 -ar 44100 -f flv -s 1280x720 "$OUT_URL" If i stop bash and restart works.. how to fix ?