Duplicate entry for key 'users_email_unique'

Dear,

I'm trying to import a CSV of users. However when i run the import I get the error shown below. There is only one user which is myself and the mailadress is not a duplicate or anything like that. Is there anyone who could point me in the right direction please ?

Error: Import failed: SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry '[email protected]' for key 'users_email_unique'

CSV file: Voornaam,Achternaam,Email,Compagnie,Post,Function Some,User,[email protected],1,PN,Coolguy

UsersImport.php:

namespace App\Imports;

use App\Models\User; use Illuminate\Support\Facades\Hash; use Maatwebsite\Excel\Concerns\ToModel; use Maatwebsite\Excel\Concerns\WithBatchInserts; use Maatwebsite\Excel\Concerns\WithChunkReading; use Maatwebsite\Excel\Concerns\WithHeadingRow;

class UsersImport implements ToModel, WithHeadingRow, WithBatchInserts, WithChunkReading {

public function model(array $row)
{
    // Zoek een bestaande gebruiker op e-mail
    $user = User::where('email', $row['email'])->first();

    if ($user) {
        // Als de gebruiker bestaat, update de naam
        $user->update([
            'name' => $row['voornaam'] . ' ' . $row['achternaam'],
        ]);
    } else {
        // Als de gebruiker niet bestaat, maak een nieuwe aan
        $user = User::create([
            'name' => $row['voornaam'] . ' ' . $row['achternaam'],
            'email' => $row['email'],
            'password' => Hash::make('defaultpassword'),
        ]);
    }

    \Log::info('Importing user:', [
        'email' => $row['email'],
        'exists' => $user ? true : false,
        'name' => $row['voornaam'] . ' ' . $row['achternaam']
    ]);

    return $user;
}

public function batchSize(): int
{
    return 100; // Batches van 100 records
}

public function chunkSize(): int
{
    return 100;
}

}