Edit file File name : ProjectStatistic.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\Model; use App\Model\Statistic\BudgetStatistic; class ProjectStatistic extends BudgetStatistic { /** * @var int */ private $activityAmount = 0; /** * @deprecated since 1.15 - will be removed with 2.0 * @return int */ public function getActivityAmount(): int { return $this->activityAmount; } /** * @deprecated since 1.15 - will be removed with 2.0 * @param int $activityAmount * @return $this */ public function setActivityAmount(int $activityAmount): ProjectStatistic { $this->activityAmount = $activityAmount; return $this; } } Save