>>> Failed to emerge app-office/qownnotes-22.11.7, Log file:
>>>  '/var/tmp/portage/app-office/qownnotes-22.11.7/temp/build.log'
>>> Jobs: 2 of 3 complete, 1 failed                 Load avg: 1.40, 0.76, 0.78
 * Package:    app-office/qownnotes-22.11.7
 * Repository: desktop-kit
 * USE:        amd64 elibc_glibc kernel_linux userland_GNU
 * FEATURES:   network-sandbox preserve-libs sandbox userpriv usersandbox
>>> Unpacking source...
>>> Unpacking qownnotes-22.11.7.tar.xz to /var/tmp/portage/app-office/qownnotes-22.11.7/work
>>> Source unpacked in /var/tmp/portage/app-office/qownnotes-22.11.7/work
>>> Preparing source in /var/tmp/portage/app-office/qownnotes-22.11.7/work/qownnotes-22.11.7 ...
>>> Source prepared.
>>> Configuring source in /var/tmp/portage/app-office/qownnotes-22.11.7/work/qownnotes-22.11.7 ...
>>> Source configured.
>>> Compiling source in /var/tmp/portage/app-office/qownnotes-22.11.7/work/qownnotes-22.11.7 ...
 * Running qmake ...
Info: creating stash file /var/tmp/portage/app-office/qownnotes-22.11.7/work/qownnotes-22.11.7/.qmake.stash
Project MESSAGE: ASpell enabled
Project MESSAGE: Currently in RELEASE mode.
Project ERROR: Unknown module(s) in QT: concurrent
 [ !! ]
 * Running qmake has failed! (see above for details)
 * This shouldn't happen - please send a bug report to https://bugs.gentoo.org/
 * ERROR: app-office/qownnotes-22.11.7::desktop-kit failed (compile phase):
 *   eqmake5 failed
 *
 * Call stack:
 *     ebuild.sh, line   93:  Called src_compile
 *   environment, line 1861:  Called eqmake5 'QOwnNotes.pro' '-r'
 *   environment, line  736:  Called die
 * The specific snippet of code:
 *           die "eqmake5 failed";