Laravel - トラブルシュート - Laravel 12 - Trait "Laravel\Sanctum\HasApiTokens" not found
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1.　概要		


2.　対応		





1.　概要


　お次は。



Trait "Laravel\Sanctum\HasApiTokens" not found




2.　対応


　これは、単純にインストールするモジュールが足りていない。
　「api」というモジュールをインストールします。
　所有権の設定を変更して。
　プロジェクトのディレクトリで。



php artisan install:api



　下記のようなメッセージが表示されます。



./composer.json has been updated
Running composer update laravel/sanctum
Loading composer repositories with package information
Updating dependencies
Lock file operations: 1 install, 0 updates, 0 removals
  - Locking laravel/sanctum (v4.0.8)
Writing lock file
Installing dependencies from lock file (including require-dev)
Package operations: 1 install, 0 updates, 0 removals
  - Downloading laravel/sanctum (v4.0.8)
  - Installing laravel/sanctum (v4.0.8): Extracting archive
Generating optimized autoload files
Class App\Http\Controllers\Api\ParallelApi located in ./app/Http/Controllers/Api/StrengthController.php does not comply with psr-4 autoloading standard (rule: App\ => ./app). Skipping.
Class App\Http\Controllers\Functions\EffectiveStrength located in ./app/Http/Controllers/Functions/CalcGraphController.php does not comply with psr-4 autoloading standard (rule: App\ => ./app). Skipping.
> Illuminate\Foundation\ComposerScripts::postAutoloadDump
> @php artisan package:discover --ansi

   INFO  Discovering packages.

  laravel/pail .......................................................... DONE
  laravel/sail .......................................................... DONE
  laravel/sanctum ....................................................... DONE
  laravel/tinker ........................................................ DONE
  laravel/ui ............................................................ DONE
  nesbot/carbon ......................................................... DONE
  nunomaduro/collision .................................................. DONE
  nunomaduro/termwind ................................................... DONE

80 packages you are using are looking for funding.
Use the 'composer fund' command to find out more!
> @php artisan vendor:publish --tag=laravel-assets --ansi --force

   INFO  No publishable resources for tag [laravel-assets].

No security vulnerability advisories found.

   INFO  Published API routes file.

 One new database migration has been published. Would you like to run all pending database migrations? (yes/no) [yes]:

   INFO  API scaffolding installed. Please add the [Laravel\Sanctum\HasApiTokens] trait to your User model.



　データベースを作成するかという「(yes/no) [yes]:」には、既存のデータベースがあるのであれば、「no」で答えます。

　インストールが終わったら、所有権をもとに戻します。
　キャッシュ等をクリアして、ウェブサーバを再起動します。