I managed to solve the issue
i had to unmount the multimedia api from the docker and install manually the multimediaapi via
apt-get update && apt-get download nvidia-l4t-jetson-multimedia-api && dpkg-deb -R ./nvidia-l4t-jetson-multimedia-api_arm64.deb ./mm-api && cp -r ./mm-api/usr/src/jetson_multimedia_api /usr/src/jetson_multimedia_api && sed -i ‘s/sudo//’ ./mm-api/DEBIAN/postinst && ./mm-api/DEBIAN/postinst && rm -rf ./nvidia-l4t-jetson-multimedia-api_arm64.deb ./mm-api
from