Edit file File name : CustomerRate.php Content :<?php /* * This file is part of the Kimai time-tracking app. * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace App\Entity; use Doctrine\ORM\Mapping as ORM; use JMS\Serializer\Annotation as Serializer; use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity; use Symfony\Component\Validator\Constraints as Assert; /** * @ORM\Table(name="kimai2_customers_rates", * uniqueConstraints={ * @ORM\UniqueConstraint(columns={"user_id", "customer_id"}), * } * ) * @ORM\Entity(repositoryClass="App\Repository\CustomerRateRepository") * @UniqueEntity({"user", "customer"}, ignoreNull=false) * * @Serializer\ExclusionPolicy("all") */ class CustomerRate implements RateInterface { use Rate; /** * @var Customer * * @Serializer\Exclude() * * @ORM\ManyToOne(targetEntity="App\Entity\Customer") * @ORM\JoinColumn(onDelete="CASCADE", nullable=false) * @Assert\NotNull() */ private $customer; public function setCustomer(?Customer $customer): CustomerRate { $this->customer = $customer; return $this; } public function getCustomer(): ?Customer { return $this->customer; } public function getScore(): int { return 1; } } Save