https://build.opensuse.org/package/s...me:13ilya/munt

cat > %{buildroot}%{_datadir}/applications/munt.desktop << EOF
[Desktop Entry]
Name=Munt Roland MT-32 emulator
GenericName=Munt Roland MT-32 emulator
Exec=mt32emu-qt
Terminal=false
Type=Application
Categories=Audio;Midi;Qt;
Icon=munt
Comment=An emulator of the Roland MT-32, CM-32L and LAPC-I synthesiser modules.
EOF

In Factory all fine, but in Leap 15.2

[ 101s] WARNING: '/usr/lib/rpm/brp-desktop.data/suse-screensavers.menu' does not exist
[ 101s] WARNING: '/usr/lib/rpm/brp-desktop.data/applications-kmenuedit.menu' does not exist
[ 101s] WARNING: '/usr/lib/rpm/brp-desktop.data/custom.menu' does not exist
[ 101s] ERROR: No sufficient Category definition: /home/abuild/rpmbuild/BUILDROOT/munt-2.4.1-lp152.85.1.x86_64//usr/share/applications/munt.desktop
[ 101s] Please refer to https://en.opensuse.org/openSUSE:Pac...enu_categories
[ 101s] Errors in installed desktop file detected. Please refer to http://en.opensuse.org/SUSE_Package_...ons/RPM_Macros

Category "Audio;Midi;Qt;" is correct.

I do not use update-desktop-files, because it is intended for editing an already installed desktop file, but for me I create it myself and can create it correctly initially.
What's missing or wrong in this desktop file?