Fedora Silverblue 36 will not succesfully deploy after layering packages

Doing an --apply-live does work in the moment, and the status now shows:

State: idle
Warning: failed to finalize previous deployment
         error: Bootloader write config: grub2-mkconfig: Child process exited with code 1
         check `journalctl -b -1 -u ostree-finalize-staged.service`
Deployments:
  fedora:fedora/36/x86_64/silverblue
                  Version: 36.20220813.0 (2022-08-13T00:48:25Z)
               BaseCommit: fe61e57ff1ae2f0788f484e6619e704978ca8dc4df73f1106c4b66cdd8f21f2e
                   Commit: efcd1ee3df0e941ec0ee81ce40f611f811366a6041bef299209cf6073b307a9d
             GPGSignature: Valid signature by 53DED2CB922D8B8D9E63FD18999F7CBF38AB71F4
                     Diff: 1 added
          LayeredPackages: distrobox

● fedora:fedora/36/x86_64/silverblue
                  Version: 36.20220813.0 (2022-08-13T00:48:25Z)
             BootedCommit: fe61e57ff1ae2f0788f484e6619e704978ca8dc4df73f1106c4b66cdd8f21f2e
               LiveCommit: efcd1ee3df0e941ec0ee81ce40f611f811366a6041bef299209cf6073b307a9d
                 LiveDiff: 1 added
             GPGSignature: Valid signature by 53DED2CB922D8B8D9E63FD18999F7CBF38AB71F4
                 Unlocked: transient

  fedora:fedora/36/x86_64/silverblue
                  Version: 36.1.5 (2022-05-04T18:42:06Z)
                   Commit: 16ec3d1166e5281e2deb1beee62e037777bf2d013f82165adf71b7885c5a53f0
             GPGSignature: Valid signature by 53DED2CB922D8B8D9E63FD18999F7CBF38AB71F4

distrobox is installed and functional. However after a reboot the status reverts to the same state as before, and the new deployment is gone:

State: idle
Warning: failed to finalize previous deployment
         error: Bootloader write config: grub2-mkconfig: Child process exited with code 1
         check `journalctl -b -1 -u ostree-finalize-staged.service`
Deployments:
● fedora:fedora/36/x86_64/silverblue
                  Version: 36.20220813.0 (2022-08-13T00:48:25Z)
                   Commit: fe61e57ff1ae2f0788f484e6619e704978ca8dc4df73f1106c4b66cdd8f21f2e
             GPGSignature: Valid signature by 53DED2CB922D8B8D9E63FD18999F7CBF38AB71F4

  fedora:fedora/36/x86_64/silverblue
                  Version: 36.1.5 (2022-05-04T18:42:06Z)
                   Commit: 16ec3d1166e5281e2deb1beee62e037777bf2d013f82165adf71b7885c5a53f0
             GPGSignature: Valid signature by 53DED2CB922D8B8D9E63FD18999F7CBF38AB71F4
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