「親登録時に以下のエラーが出てしまいます。」

backend/app/Http/Controllers/Api/FathersController.php

@@ -59,7 +59,7 @@ class FathersController extends Controller {
             'email' => $r->email,
             'token' => $token,
             'ttl' => date('Y-m-d H:i:s', strtotime("8 hour")),
-
+            'relation_limit' => $result->relation_limit,
         ];
 
         try {
@@ -169,7 +169,7 @@ class FathersController extends Controller {
             return ['status_code' => 422, 'error_messages' => $validate->errors()];
         }
 
-        if ($get = EmailActivation::select('email', 'ttl')->where('token', $r->token)->first()) {
+        if ($get = EmailActivation::select('email', 'ttl', 'relation_limit')->where('token', $r->token)->first()) {
             if (time() > strtotime($get->ttl)) {
                 // 有効期限が切れている場合
                 return['status_code' => 401, 'error_messages' => ['仮登録の有効期限が切れました。改めて管理者にお問い合わせいただき、再登録を行ってください。']];
@@ -196,6 +196,7 @@ class FathersController extends Controller {
                 'image' => !is_null($r->image) ? '/files/'.$filename : '/assets/default/avatar.jpg',
                 'profile' => $r->profile,
                 'tel' => $r->tel,
+                'relation_limit' => $get->relation_limit,
             ];
 
             // DBに入ります。

backend/app/Models/EmailActivation.php

@@ -8,6 +8,6 @@ use Illuminate\Database\Eloquent\Model;
 class EmailActivation extends Model
 {
     use HasFactory;
-    protected $fillable = ['type', 'father_id', 'email', 'token', 'ttl'];
+    protected $fillable = ['type', 'father_id', 'email', 'token', 'ttl', 'relation_limit'];
     protected $attributes = ['type' => 0];
 }

backend/database/factories/EmailActivationFactory.php

@@ -27,6 +27,7 @@ class EmailActivationFactory extends Factory
             'email' => $this->faker->email,
             'token' => $this->faker->creditCardNumber,
             'ttl' => $this->faker->dateTime,
+            'relation_limit' => rand(1,10),
             'created_at' => $this->faker->dateTime,
             'updated_at' => $this->faker->dateTime,
         ];

backend/database/migrations/2021_08_13_020003_create_email_activations_table.php

@@ -20,6 +20,7 @@ class CreateEmailActivationsTable extends Migration
             $table->string('email', 255)->unique();
             $table->string('token', 64)->unique();
             $table->dateTime('ttl');
+            $table->unsignedInteger('relation_limit');
             $table->timestamps();
         });
     }