Error while updating @world

[axelgenus]

 * ERROR: dev-lang/mono-9999::dotnet failed (depend phase):
 *   autotools-utils.eclass could not be found by inherit()
 * 
 * Call stack:
 *          ebuild.sh, line 609:  Called source '/var/db/repos/dotnet/dev-lang/mono/mono-9999.ebuild'
 *   mono-9999.ebuild, line   7:  Called inherit 'linux-info' 'mono-env' 'flag-o-matic' 'pax-utils' 'autotools-utils' 'git-r3'
 *          ebuild.sh, line 290:  Called die
 * The specific snippet of code:
 *          [[ -z ${location} ]] && die "${1}.eclass could not be found by inherit()"
 * 
 * If you need support, post the output of `emerge --info '=dev-lang/mono-9999::dotnet'`,
 * the complete build log and the output of `emerge -pqv '=dev-lang/mono-9999::dotnet'`.
 * Working directory: '/usr/lib/python3.8/site-packages'
 * S: '/var/tmp/portage/dev-lang/mono-9999/work/mono-9999'

[bunder2015]

can confirm