./build.sh: 14: [: xorg.gnome.Music: unexpected operator
========== Building org.gnome.Music ================
Initialised empty Git repository in /home/builder/flatpak-build-scripts/work/build/arm/gnome-apps-nightly-master/.flatpak-builder/git/https_gitlab.gnome.org_GNOME_gnome-music.git/
Fetching git repo https://gitlab.gnome.org/GNOME/gnome-music.git, ref refs/heads/master
From https://gitlab.gnome.org/GNOME/gnome-music
 * [new branch]      master     -> master
error: org.gnome.Sdk master not installed
Failed to init: Unable to find sdk org.gnome.Sdk version master