Cant upgrade after moth dont not use system

cl-update --rebuild-world 
Repositories synchronization
 * Checking current binhost ...                                                                                                                                                                                                  [ ok ]
 * Checking Distros updates ...                                                                                                                                                                                                  [ ok ]
 * Checking Calculate updates ...                                                                                                                                                                                                [ ok ]
 * Checking Gentoo updates ...                                                                                                                                                                                                   [ ok ]
 * Synchronization finished
System configuration
 * Update server https://mirror.koddos.net/calculate-linux
 * Fixing the settings ...                                                                                                                                                                                                       [ ok ]
Updating packages
 * Calculating dependencies ...                                                                                                                                                                                                  [ ok ]

!!! All ebuilds that could satisfy "dev-python/extras[python_targets_python3_9(-)]" have been masked.
!!! One of the following masked packages is required to complete your request:
- dev-python/extras-1.0.0-r1::gentoo (masked by: EAPI 8)
- dev-python/extras-1.0.0-r1 (masked by: EAPI 8)

The current version of portage supports EAPI '7'. You must upgrade to a
newer version of portage before EAPI masked packages can be installed.
(dependency required by "dev-python/subunit-1.4.0::gentoo" [binary])
(dependency required by "net-fs/samba-4.13.9-r1::gentoo" [binary])
(dependency required by "net-libs/libsoup-2.72.0-r1::gentoo" [binary])
(dependency required by "net-misc/remmina-1.4.18::gentoo" [binary])
(dependency required by "@selected" [set])
(dependency required by "@world" [argument])
For more information, see the MASKED PACKAGES section in the emerge
man page or refer to the Gentoo Handbook.
 * Emerge failed
emerge -av --oneshot portage
The following keyword changes are necessary to proceed:
 (see "package.accept_keywords" in the portage(5) man page for more details)
# required by sys-apps/calculate-utils-3.6.9.25::calculate
# required by @selected
# required by @world (argument)
=sys-apps/portage-3.0.19 ~amd64
but it has no changes - still cant upgrade

sys-apps/portage-3.0.18 conflict sys-apps/portage-3.0.19

Hi! It looks like there is no more error.