Fatal error: Declaration of TracToGitlab\CombinedContainer::has(string $id) must be compatible with Psr\Container\ContainerInterface::has(string $id): bool

Fatal error: Declaration of TracToGitlab\CombinedContainer::has(string $id) must be compatible with Psr\Container\ContainerInterface::has(string $id): bool in /usr/share/nginx/html/trunk/public/plugins_packages/UOL/TracToGitlabPlugin/lib/CombinedContainer.php on line 29