!!! resolution failed
!!! request ( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =app-backup/backuppc-4.4.0-r2 ), mode none
!!! trying app-backup/backuppc-4.4.0-r2
!!!   request www-apache/mpm_itk, mode rdepend
!!!   trying www-apache/mpm_itk-2.4.7_p4-r2
!!!     request >=www-servers/apache-2.4.7[-threads], mode depend
!!!     trying www-servers/apache-2.4.69
!!!       failed due to failed inserting: [<PackageWrapper pkg=<<class 'pkgcore.ebuild.ebuild_src.package'> cpv='www-servers/apache-2.4.69' @0x10bd39d30> wrapped='use' @0x10bd8e750>]
!!!     trying www-servers/apache-2.4.68
!!!       failed due to failed inserting: [<PackageWrapper pkg=<<class 'pkgcore.ebuild.ebuild_src.package'> cpv='www-servers/apache-2.4.69' @0x10bd39d30> wrapped='use' @0x10bd8e750>]
!!!     removing choices involving >=www-servers/apache-2.4.7[-threads]
!!!   removing choices involving www-apache/mpm_itk

Failures encountered:
!!! failed '( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =app-backup/backuppc-4.4.0-r2 )'
potentials:
repo gentoo: [ ebuild src: app-backup/backuppc-4.4.0-r2 ]