building the system configuration...
error:
       … while calling the 'derivationStrict' builtin

         at //builtin/derivation.nix:9:12: (source not available)

       … while evaluating derivation 'nixos-system-mocha-23.05.20230327.4bb072f'
         whose name attribute is located at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/pkgs/stdenv/generic/make-derivation.nix:302:7

       … while evaluating attribute 'activationScript' of derivation 'nixos-system-mocha-23.05.20230327.4bb072f'

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/nixos/modules/system/activation/top-level.nix:110:5:

          109|     installBootLoader = config.system.build.installBootLoader;
          110|     activationScript = config.system.activationScripts.script;
             |     ^
          111|     dryActivationScript = config.system.dryActivationScript;

       … from call site

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/nixos/modules/system/activation/activation-script.nix:137:18:

          136|       apply = set: set // {
          137|         script = systemActivationScript set false;
             |                  ^
          138|       };

       … while calling 'systemActivationScript'

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/nixos/modules/system/activation/activation-script.nix:20:33:

           19|
           20|   systemActivationScript = set: onlyDry: let
             |                                 ^
           21|     set' = mapAttrs (_: v: if isString v then (noDepEntry v) // { supportsDryActivation = false; } else v) set;

       … from call site

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/nixos/modules/system/activation/activation-script.nix:49:9:

           48|
           49|       ${textClosureMap id (withDrySnippets) (attrNames withDrySnippets)}
             |         ^
           50|

       … while calling 'textClosureMap'

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/strings-with-deps.nix:75:35:

           74|
           75|   textClosureMap = f: predefined: names:
             |                                   ^
           76|     concatStringsSep "\n" (map f (textClosureList predefined names));

       … while calling 'id'

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/trivial.nix:14:5:

           13|     # The value to return
           14|     x: x;
             |     ^
           15|

       … while calling 'g'

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/attrsets.nix:595:19:

          594|           g =
          595|             name: value:
             |                   ^
          596|             if isAttrs value && cond value

       … from call site

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/attrsets.nix:598:20:

          597|               then recurse (path ++ [name]) value
          598|               else f (path ++ [name]) value;
             |                    ^
          599|         in mapAttrs g;

       … while calling anonymous lambda

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/modules.nix:274:72:

          273|           # For definitions that have an associated option
          274|           declaredConfig = mapAttrsRecursiveCond (v: ! isOption v) (_: v: v.value) options;
             |                                                                        ^
          275|

       … while evaluating the option `system.activationScripts.etc.text':

       … while calling anonymous lambda

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/modules.nix:767:28:

          766|         # Process mkMerge and mkIf properties.
          767|         defs' = concatMap (m:
             |                            ^
          768|           map (value: { inherit (m) file; inherit value; }) (builtins.addErrorContext "while evaluating definitions from `${m.file}':" (dischargeProperties m.value))

       … while evaluating definitions from `/nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/nixos/modules/system/etc/etc-activation.nix':

       … from call site

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/modules.nix:768:137:

          767|         defs' = concatMap (m:
          768|           map (value: { inherit (m) file; inherit value; }) (builtins.addErrorContext "while evaluating definitions from `${m.file}':" (dischargeProperties m.value))
             |                                                                                                                                         ^
          769|         ) defs;

       … while calling 'dischargeProperties'

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/modules.nix:839:25:

          838|   */
          839|   dischargeProperties = def:
             |                         ^
          840|     if def._type or "" == "merge" then

       … while calling anonymous lambda

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/attrsets.nix:776:24:

          775|     let f = attrPath:
          776|       zipAttrsWith (n: values:
             |                        ^
          777|         let here = attrPath ++ [n]; in

       … while calling anonymous lambda

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/types.nix:546:29:

          545|       merge = loc: defs:
          546|         zipAttrsWith (name: defs:
             |                             ^
          547|           let merged = mergeDefinitions (loc ++ [name]) elemType defs;

       … while calling anonymous lambda

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/modules.nix:767:28:

          766|         # Process mkMerge and mkIf properties.
          767|         defs' = concatMap (m:
             |                            ^
          768|           map (value: { inherit (m) file; inherit value; }) (builtins.addErrorContext "while evaluating definitions from `${m.file}':" (dischargeProperties m.value))

       … while evaluating definitions from `/nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/nixos/modules/system/etc/etc.nix':

       … from call site

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/modules.nix:768:137:

          767|         defs' = concatMap (m:
          768|           map (value: { inherit (m) file; inherit value; }) (builtins.addErrorContext "while evaluating definitions from `${m.file}':" (dischargeProperties m.value))
             |                                                                                                                                         ^
          769|         ) defs;

       … while calling 'dischargeProperties'

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/modules.nix:839:25:

          838|   */
          839|   dischargeProperties = def:
             |                         ^
          840|     if def._type or "" == "merge" then

       … from call site

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/attrsets.nix:88:39:

           87|         then value
           88|         else { ${elemAt attrPath n} = atDepth (n + 1); };
             |                                       ^
           89|     in atDepth 0;

       … while calling 'atDepth'

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/attrsets.nix:85:17:

           84|       len = length attrPath;
           85|       atDepth = n:
             |                 ^
           86|         if n == len

       … while evaluating derivation 'etc'
         whose name attribute is located at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/pkgs/stdenv/generic/make-derivation.nix:302:7

       … while evaluating attribute 'buildCommand' of derivation 'etc'

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/pkgs/build-support/trivial-builders.nix:87:14:

           86|       enableParallelBuilding = true;
           87|       inherit buildCommand name;
             |              ^
           88|       passAsFile = [ "buildCommand" ]

       … from call site

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/nixos/modules/system/etc/etc.nix:54:7:

           53|     mkdir -p "$out/etc"
           54|     ${concatMapStringsSep "\n" (etcEntry: escapeShellArgs [
             |       ^
           55|       "makeEtcEntry"

       … while calling 'concatMapStringsSep'

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/strings.nix:114:5:

          113|     # List of input strings
          114|     list: concatStringsSep sep (map f list);
             |     ^
          115|

       … while calling anonymous lambda

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/nixos/modules/system/etc/etc.nix:54:33:

           53|     mkdir -p "$out/etc"
           54|     ${concatMapStringsSep "\n" (etcEntry: escapeShellArgs [
             |                                 ^
           55|       "makeEtcEntry"

       … from call site

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/nixos/modules/system/etc/etc.nix:54:43:

           53|     mkdir -p "$out/etc"
           54|     ${concatMapStringsSep "\n" (etcEntry: escapeShellArgs [
             |                                           ^
           55|       "makeEtcEntry"

       … while calling 'concatMapStringsSep'

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/strings.nix:114:5:

          113|     # List of input strings
          114|     list: concatStringsSep sep (map f list);
             |     ^
          115|

       … while calling 'escapeShellArg'

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/strings.nix:381:20:

          380|   */
          381|   escapeShellArg = arg: "'${replaceStrings ["'"] ["'\\''"] (toString arg)}'";
             |                    ^
          382|

       … while calling 'g'

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/attrsets.nix:595:19:

          594|           g =
          595|             name: value:
             |                   ^
          596|             if isAttrs value && cond value

       … from call site

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/attrsets.nix:598:20:

          597|               then recurse (path ++ [name]) value
          598|               else f (path ++ [name]) value;
             |                    ^
          599|         in mapAttrs g;

       … while calling anonymous lambda

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/modules.nix:274:72:

          273|           # For definitions that have an associated option
          274|           declaredConfig = mapAttrsRecursiveCond (v: ! isOption v) (_: v: v.value) options;
             |                                                                        ^
          275|

       … while evaluating the option `environment.etc."wireplumber/main.lua.d/99-alsa-lowlatency.lua".source':

       … while calling anonymous lambda

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/modules.nix:767:28:

          766|         # Process mkMerge and mkIf properties.
          767|         defs' = concatMap (m:
             |                            ^
          768|           map (value: { inherit (m) file; inherit value; }) (builtins.addErrorContext "while evaluating definitions from `${m.file}':" (dischargeProperties m.value))

       … while evaluating definitions from `/nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/nixos/modules/system/etc/etc.nix':

       … from call site

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/modules.nix:768:137:

          767|         defs' = concatMap (m:
          768|           map (value: { inherit (m) file; inherit value; }) (builtins.addErrorContext "while evaluating definitions from `${m.file}':" (dischargeProperties m.value))
             |                                                                                                                                         ^
          769|         ) defs;

       … while calling 'dischargeProperties'

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/modules.nix:839:25:

          838|   */
          839|   dischargeProperties = def:
             |                         ^
          840|     if def._type or "" == "merge" then

       … while calling 'g'

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/attrsets.nix:595:19:

          594|           g =
          595|             name: value:
             |                   ^
          596|             if isAttrs value && cond value

       … from call site

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/attrsets.nix:598:20:

          597|               then recurse (path ++ [name]) value
          598|               else f (path ++ [name]) value;
             |                    ^
          599|         in mapAttrs g;

       … while calling anonymous lambda

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/modules.nix:274:72:

          273|           # For definitions that have an associated option
          274|           declaredConfig = mapAttrsRecursiveCond (v: ! isOption v) (_: v: v.value) options;
             |                                                                        ^
          275|

       … while evaluating the option `environment.etc."wireplumber/main.lua.d/99-alsa-lowlatency.lua".text':

       … while calling anonymous lambda

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/modules.nix:767:28:

          766|         # Process mkMerge and mkIf properties.
          767|         defs' = concatMap (m:
             |                            ^
          768|           map (value: { inherit (m) file; inherit value; }) (builtins.addErrorContext "while evaluating definitions from `${m.file}':" (dischargeProperties m.value))

       … while evaluating definitions from `/nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/flake.nix':

       … from call site

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/modules.nix:768:137:

          767|         defs' = concatMap (m:
          768|           map (value: { inherit (m) file; inherit value; }) (builtins.addErrorContext "while evaluating definitions from `${m.file}':" (dischargeProperties m.value))
             |                                                                                                                                         ^
          769|         ) defs;

       … while calling 'dischargeProperties'

         at /nix/store/g738q3jxmym83jx24d422nwc0nas4zyv-source/lib/modules.nix:839:25:

          838|   */
          839|   dischargeProperties = def:
             |                         ^
          840|     if def._type or "" == "merge" then

       error: value is a string while an integer was expected