cant build proton on pure ubuntu

[dgrechk]

cant build proton
proton version 9-0-3
pure Ubuntu 24.04.1 LTS

what should i do?

log

❯ sudo make
make  -f Makefile NO_NESTED_MAKE=1
make[1]: вход в каталог «/home/mokic/proton»
syncing gst_orc... done, dirty
syncing gstreamer... done, dirty
syncing gst_base... done, dirty
syncing gst_good... done, dirty
syncing ffmpeg... done, dirty
syncing gst_libav... done, dirty
syncing faudio... done, dirty
syncing jxrlib... done, dirty
syncing vulkan-headers... done, dirty
syncing spirv-headers... done, dirty
syncing vulkan-loader... done, dirty
syncing lsteamclient... done, dirty
syncing openxr... done, dirty
syncing wineopenxr... done, dirty
syncing steamexe... done, dirty
syncing wine... done, dirty
syncing vrclient... done, dirty
syncing dxvk... done, dirty
syncing dxvk-nvapi... done, dirty
syncing vkd3d... done, dirty
syncing vkd3d-proton... done, dirty
syncing mediaconv... done, dirty
patch ../proton/fonts/liberation-fonts/src/LiberationMono-Regular.sfd -o obj-fonts/LiberationMono-Regular.sfd ../proton/fonts/patches/LiberationMono-Regular.patch
patching file obj-fonts/LiberationMono-Regular.sfd (read from ../proton/fonts/liberation-fonts/src/LiberationMono-Regular.sfd)
Hunk #1 FAILED at 3931.
1 out of 1 hunk FAILED -- saving rejects to file obj-fonts/LiberationMono-Regular.sfd.rej
make[1]: *** [../proton/build/makefile_base.mak:1078: obj-fonts/LiberationMono-Regular.sfd] Ошибка 1
rm obj-fonts/LiberationMono-Regular.sfd
make[1]: выход из каталога «/home/mokic/proton»
make: *** [../proton/build/makefile_base.mak:32: nested_make] Ошибка 2

[neilking01]

Same problem here. Hope someone knows how to get around it and can reply.