Fatal error: Uncaught core\exception\invalid_dataroot_permissions: Invalid permissions detected when trying to create a directory. Turn debugging on for further details. (/var/moodledata/cache/cachestore_file/default_application is not writable, check permissions.) in /var/www/html/lib/setuplib.php:1343 Stack trace: #0 /var/www/html/lib/setuplib.php(1537): make_writable_directory() #1 /var/www/html/cache/stores/file/lib.php(227): make_cache_directory() #2 /var/www/html/cache/classes/factory.php(291): cachestore_file->__construct() #3 /var/www/html/cache/classes/helper.php(143): core_cache\factory->create_store_from_config() #4 /var/www/html/cache/classes/helper.php(128): core_cache\helper::initialise_cachestore_instances() #5 /var/www/html/cache/classes/helper.php(870): core_cache\helper::get_cache_stores() #6 /var/www/html/cache/classes/factory.php(254): core_cache\helper::get_stores_suitable_for_definition() #7 /var/www/html/cache/classes/factory.php(204): core_cache\factory->create_cache() #8 /var/www/html/cache/classes/cache.php(190): core_cache\factory->create_cache_from_definition() #9 /var/www/html/lib/classes/router/route_loader.php(103): core_cache\cache::make() #10 /var/www/html/lib/classes/router/route_loader.php(53): core\router\route_loader->get_all_api_routes() #11 /var/www/html/lib/slim/slim/Slim/Routing/RouteGroup.php(63): core\router\route_loader->core\router\{closure}() #12 /var/www/html/lib/slim/slim/Slim/Routing/RouteCollector.php(231): Slim\Routing\RouteGroup->collectRoutes() #13 /var/www/html/lib/slim/slim/Slim/Routing/RouteCollectorProxy.php(170): Slim\Routing\RouteCollector->group() #14 /var/www/html/lib/classes/router/route_loader.php(49): Slim\Routing\RouteCollectorProxy->group() #15 /var/www/html/lib/classes/router/route_loader.php(35): core\router\route_loader->configure_api_routes() #16 /var/www/html/lib/classes/router.php(243): core\router\route_loader->configure_routes() #17 /var/www/html/lib/classes/router.php(163): core\router->configure_routes() #18 /var/www/html/lib/classes/router.php(133): core\router->create_app() #19 /var/www/html/lib/classes/router.php(324): core\router->get_app() #20 /var/www/html/r.php(55): core\router->serve() #21 {main} thrown in /var/www/html/lib/setuplib.php on line 1343