diff --git a/nixos-switch.log b/nixos-switch.log
index 3c6e856..a232206 100644
--- a/nixos-switch.log
+++ b/nixos-switch.log
@@ -1,52 +1,89 @@
+error:
+       … while evaluating the attribute 'config'
+
+         at /nix/var/nix/profiles/per-user/root/channels/nixos/lib/modules.nix:322:9:
+
+          321|         options = checked options;
+          322|         config = checked (removeAttrs config [ "_module" ]);
+             |         ^
+          323|         _module = checked (config._module);
+
+       … while calling the 'seq' builtin
+
+         at /nix/var/nix/profiles/per-user/root/channels/nixos/lib/modules.nix:322:18:
+
+          321|         options = checked options;
+          322|         config = checked (removeAttrs config [ "_module" ]);
+             |                  ^
+          323|         _module = checked (config._module);
+
+       (stack trace truncated; use '--show-trace' to show the full trace)
+
+       error: attribute 'services.printing.enable' already defined at /etc/nixos/configuration.nix:97:3
+
+       at /etc/nixos/configuration.nix:120:3:
+
+          119|   # Enable CUPS to print documents.
+          120|   services.printing.enable = true;
+             |   ^
+          121|
 building Nix...
+error:
+       … while evaluating the attribute 'config'
+
+         at /nix/var/nix/profiles/per-user/root/channels/nixos/lib/modules.nix:322:9:
+
+          321|         options = checked options;
+          322|         config = checked (removeAttrs config [ "_module" ]);
+             |         ^
+          323|         _module = checked (config._module);
+
+       … while calling the 'seq' builtin
+
+         at /nix/var/nix/profiles/per-user/root/channels/nixos/lib/modules.nix:322:18:
+
+          321|         options = checked options;
+          322|         config = checked (removeAttrs config [ "_module" ]);
+             |                  ^
+          323|         _module = checked (config._module);
+
+       (stack trace truncated; use '--show-trace' to show the full trace)
+
+       error: attribute 'services.printing.enable' already defined at /etc/nixos/configuration.nix:97:3
+
+       at /etc/nixos/configuration.nix:120:3:
+
+          119|   # Enable CUPS to print documents.
+          120|   services.printing.enable = true;
+             |   ^
+          121|
 building the system configuration...
-these 7 derivations will be built:
-  /nix/store/5zipfr7y3vjik6lx6fn4ggp7b8k6jvlj-home-manager-path.drv
-  /nix/store/rbzms4c63l2n6ph3vh0rjnzrydwzq03f-activation-script.drv
-  /nix/store/9k4gby57g852cw3ngmddijvz0npga60i-home-manager-generation.drv
-  /nix/store/k4gg1nc7zml2x3v0lpn1ssmm805zamnk-unit-home-manager-deadvey.service.drv
-  /nix/store/1ggslgcdhd0hcf7yg3gpaqzwplhxrx9f-system-units.drv
-  /nix/store/1wd6sjyf1dkwlhad54cym1vqa664kyzx-etc.drv
-  /nix/store/l1qjdgdv5vl00jd77rnqq4bcy62f82kc-nixos-system-nixos-24.05.3999.c42fcfbdfeae.drv
-these 13 paths will be fetched (12.40 MiB download, 49.77 MiB unpacked):
-  /nix/store/ssz6y4is8s5qdnls29gyck9aac0pgzcq-chmlib-0.40a
-  /nix/store/hbqa0qlkc2xrlwbglycnw1d2m8jpb8hs-discount-3.0.0d
-  /nix/store/8rdfwkp18a4mnnqhxlh475s34yfv0l9x-exiv2-0.28.3
-  /nix/store/mk478g6h5rsldgy42vzzdcazf980ixsr-kdegraphics-mobipocket-23.08.5
-  /nix/store/4ppwg1795gyyr1r8f57pagq3vwg7n7jr-khtml-5.116.0
-  /nix/store/pjlq011aznx8qlbzlv09dk4g5wqp8alv-khtml-5.116.0-bin
-  /nix/store/bhs32446fgpgz00n5xcs1yvnx1m5z72s-kjs-5.116.0
-  /nix/store/lp1jdpdhc73rx0vkfsav0w52f0jlcrqx-kparts-5.116.0-bin
-  /nix/store/hqgvla47z7kd6mbwqr1ngx3frwh12sc0-kpty-5.116.0
-  /nix/store/mxf1lhvw2x4a44pbp2wzhfwq6qdxvcin-libkexiv2-23.08.5
-  /nix/store/gr3fpm8vnb6fzsf9wmnbjpk860ymx2yg-okular-23.08.5
-  /nix/store/jjz54ziq2qsvgg4qg4h9vy46l7wijk2l-qtspeech-5.15.14
-  /nix/store/nzj0pdrfyw0i5fl958v4sgwp2vy99cns-threadweaver-5.116.0
-copying path '/nix/store/lp1jdpdhc73rx0vkfsav0w52f0jlcrqx-kparts-5.116.0-bin' from 'https://cache.nixos.org'...
-copying path '/nix/store/ssz6y4is8s5qdnls29gyck9aac0pgzcq-chmlib-0.40a' from 'https://cache.nixos.org'...
-copying path '/nix/store/hbqa0qlkc2xrlwbglycnw1d2m8jpb8hs-discount-3.0.0d' from 'https://cache.nixos.org'...
-copying path '/nix/store/8rdfwkp18a4mnnqhxlh475s34yfv0l9x-exiv2-0.28.3' from 'https://cache.nixos.org'...
-copying path '/nix/store/mk478g6h5rsldgy42vzzdcazf980ixsr-kdegraphics-mobipocket-23.08.5' from 'https://cache.nixos.org'...
-copying path '/nix/store/bhs32446fgpgz00n5xcs1yvnx1m5z72s-kjs-5.116.0' from 'https://cache.nixos.org'...
-copying path '/nix/store/hqgvla47z7kd6mbwqr1ngx3frwh12sc0-kpty-5.116.0' from 'https://cache.nixos.org'...
-copying path '/nix/store/mxf1lhvw2x4a44pbp2wzhfwq6qdxvcin-libkexiv2-23.08.5' from 'https://cache.nixos.org'...
-copying path '/nix/store/jjz54ziq2qsvgg4qg4h9vy46l7wijk2l-qtspeech-5.15.14' from 'https://cache.nixos.org'...
-copying path '/nix/store/nzj0pdrfyw0i5fl958v4sgwp2vy99cns-threadweaver-5.116.0' from 'https://cache.nixos.org'...
-copying path '/nix/store/4ppwg1795gyyr1r8f57pagq3vwg7n7jr-khtml-5.116.0' from 'https://cache.nixos.org'...
-copying path '/nix/store/pjlq011aznx8qlbzlv09dk4g5wqp8alv-khtml-5.116.0-bin' from 'https://cache.nixos.org'...
-copying path '/nix/store/gr3fpm8vnb6fzsf9wmnbjpk860ymx2yg-okular-23.08.5' from 'https://cache.nixos.org'...
-building '/nix/store/5zipfr7y3vjik6lx6fn4ggp7b8k6jvlj-home-manager-path.drv'...
-created 2910 symlinks in user environment
-building '/nix/store/rbzms4c63l2n6ph3vh0rjnzrydwzq03f-activation-script.drv'...
-building '/nix/store/9k4gby57g852cw3ngmddijvz0npga60i-home-manager-generation.drv'...
-building '/nix/store/k4gg1nc7zml2x3v0lpn1ssmm805zamnk-unit-home-manager-deadvey.service.drv'...
-building '/nix/store/1ggslgcdhd0hcf7yg3gpaqzwplhxrx9f-system-units.drv'...
-building '/nix/store/1wd6sjyf1dkwlhad54cym1vqa664kyzx-etc.drv'...
-building '/nix/store/l1qjdgdv5vl00jd77rnqq4bcy62f82kc-nixos-system-nixos-24.05.3999.c42fcfbdfeae.drv'...
-activating the configuration...
-setting up /etc...
-reloading user units for lightdm...
-reloading user units for deadvey...
-restarting sysinit-reactivation.target
-restarting the following units: home-manager-deadvey.service
-the following new units were started: sysinit-reactivation.target, systemd-tmpfiles-resetup.service
+error:
+       … while evaluating the attribute 'config.system.build.toplevel'
+
+         at /nix/var/nix/profiles/per-user/root/channels/nixos/lib/modules.nix:322:9:
+
+          321|         options = checked options;
+          322|         config = checked (removeAttrs config [ "_module" ]);
+             |         ^
+          323|         _module = checked (config._module);
+
+       … while calling the 'seq' builtin
+
+         at /nix/var/nix/profiles/per-user/root/channels/nixos/lib/modules.nix:322:18:
+
+          321|         options = checked options;
+          322|         config = checked (removeAttrs config [ "_module" ]);
+             |                  ^
+          323|         _module = checked (config._module);
+
+       (stack trace truncated; use '--show-trace' to show the full trace)
+
+       error: attribute 'services.printing.enable' already defined at /etc/nixos/configuration.nix:97:3
+
+       at /etc/nixos/configuration.nix:120:3:
+
+          119|   # Enable CUPS to print documents.
+          120|   services.printing.enable = true;
+             |   ^
+          121|