These errors makes it impossible to build makemkv for Mageia 8

[Kristoffer_83]

/home/kristoffer/rpmbuild/BUILDROOT/makemkv-1.16.7-1.mga8.x86_64/usr/share/applications/makemkv.desktop: warning: key "Encoding" in group "Desktop Entry" is deprecated
/home/kristoffer/rpmbuild/BUILDROOT/makemkv-1.16.7-1.mga8.x86_64/usr/share/applications/makemkv.desktop: error: (will be fatal in the future): value "makemkv.png" for key "Icon" in group "Desktop Entry" is an icon name with an extension, but there should be no extension as described in the Icon Theme Specification if the value is not an absolute path

and

error: The build id found in /home/kristoffer/rpmbuild/BUILDROOT/makemkv-1.16.7-1.mga8.x86_64/usr/bin/makemkvcon is to small
error: Failed to generate build-id links

Can anyone please fix this and re release the version again?
I suck at making patches and I consider myself to be more of a packager than a developer.