Added created_at and updated_at timestamp values in RoleSeeder

database/seeders/RoleSeeder.php

@@ -14,16 +14,17 @@ class RoleSeeder extends Seeder {
      * @return void
      */
     public function run() {
-        DB::table('roles')->truncate();
-        Role::insert(
-            [
+        $roles = [
             ['name' => 'Administrator', 'slug' => 'admin'],
             ['name' => 'User', 'slug' => 'user'],
             ['name' => 'Customer', 'slug' => 'customer'],
             ['name' => 'Editor', 'slug' => 'editor'],
             ['name' => 'All', 'slug' => '*'],
             ['name' => 'Super Admin', 'slug' => 'super-admin'],
-            ]
-        );
+        ];
+        DB::table('roles')->truncate();
+        collect($roles)->each(function($role){
+            Role::create($role);
+        });
     }
 }