Error 500

[Leinad4Mind]

Fatal error: Uncaught
Symfony\Component\Routing\Exception\MissingMandatoryParametersException: Some
mandatory parameters are missing ("cron_type") to generate a URL for route
"phpbb_cron_run". in
/home/lein/www/phpbb/vendor/symfony/routing/Generator/UrlGenerator.php:136
Stack trace: #0
/home/lein/www/phpbb/cache/production/url_generator.php(51):
Symfony\Component\Routing\Generator\UrlGenerator->doGenerate(Array, Array,
Array, Array, Array, 'phpbb_cron_run', 1, Array, Array) #1
/home/lein/www/phpbb/phpbb/routing/router.php(168):
phpbb_url_generator->generate('phpbb_cron_run', Array, 1) #2
/home/lein/www/phpbb/phpbb/routing/helper.php(148):
phpbb\routing\router->generate('phpbb_cron_run', Array, 1) #3
/home/lein/www/phpbb/phpbb/controller/helper.php(114):
phpbb\routing\helper->route('phpbb_cron_run', Array, false, false, 1) #4
/home/lein/www/phpbb/ in
/home/lein/www/phpbb/vendor/symfony/routing/Generator/UrlGenerator.php
on line 136