hey together,
for the first time we're trying to upload a project to 1und1 / IONOS hosting company.
after uploading all the files we get following message:
Server Error
Sorry, something went terribly wrong!
### 0 - Class 'Doctrine\Common\Cache\FilesystemCache' not found
##### For further details please review your `logs/` folder, or enable displaying of errors in your system configuration.
our log delivers:
[2019-09-25 21:32:03] grav.CRITICAL: Class 'Doctrine\Common\Cache\FilesystemCache' not found - Trace: #0 /homepages/37/d799445644/htdocs/pse.your-domain.de/system/src/Grav/Common/Cache.php(141): Grav\Common\Cache->getCacheDriver() #1 /homepages/37/d799445644/htdocs/pse.your-domain.de/system/src/Grav/Common/Cache.php(111): Grav\Common\Cache->init(Object(Grav\Common\Grav)) #2 /homepages/37/d799445644/htdocs/pse.your-domain.de/system/src/Grav/Common/Grav.php(495): Grav\Common\Cache->__construct(Object(Grav\Common\Grav)) #3 /homepages/37/d799445644/htdocs/pse.your-domain.de/vendor/pimple/pimple/src/Pimple/Container.php(118): Grav\Common\Grav->Grav\Common\{closure}(Object(Grav\Common\Grav)) #4 /homepages/37/d799445644/htdocs/pse.your-domain.de/user/plugins/problems/classes/Problems/Base/ProblemChecker.php(20): Pimple\Container->offsetGet('cache') #5 /homepages/37/d799445644/htdocs/pse.your-domain.de/user/plugins/problems/problems.php(125): Grav\Plugin\Problems\Base\ProblemChecker->__construct() #6 /homepages/37/d799445644/htdocs/pse.your-domain.de/user/plugins/problems/problems.php(47): Grav\Plugin\ProblemsPlugin->problemsFound() #7 /homepages/37/d799445644/htdocs/pse.your-domain.de/vendor/symfony/event-dispatcher/EventDispatcher.php(212): Grav\Plugin\ProblemsPlugin->onFatalException(Object(RocketTheme\Toolbox\Event\Event), 'onFatalExceptio...', Object(RocketTheme\Toolbox\Event\EventDispatcher)) #8 /homepages/37/d799445644/htdocs/pse.your-domain.de/vendor/symfony/event-dispatcher/EventDispatcher.php(44): Symfony\Component\EventDispatcher\EventDispatcher->doDispatch(Array, 'onFatalExceptio...', Object(RocketTheme\Toolbox\Event\Event)) #9 /homepages/37/d799445644/htdocs/pse.your-domain.de/vendor/rockettheme/toolbox/Event/src/EventDispatcher.php(23): Symfony\Component\EventDispatcher\EventDispatcher->dispatch('onFatalExceptio...', Object(RocketTheme\Toolbox\Event\Event)) #10 /homepages/37/d799445644/htdocs/pse.your-domain.de/system/src/Grav/Common/Grav.php(365): RocketTheme\Toolbox\Event\EventDispatcher->dispatch('onFatalExceptio...', Object(RocketTheme\Toolbox\Event\Event)) #11 /homepages/37/d799445644/htdocs/pse.your-domain.de/index.php(55): Grav\Common\Grav->fireEvent('onFatalExceptio...', Object(RocketTheme\Toolbox\Event\Event)) #12 {main} [] []
any hints where to dig into?
thanks & best regards