User warning: Trying to overwrite a cache redirect for "entity_view:block:drupal8_w3css_theme_branding:[languages:language_interface]=fr:[theme]=drupal8_w3css_theme:[user.permissions]=5d75d78a66d44f724566ed3c7b4081c7621255b49d538ab9000366b7c90022ca" with one that has nothing in common, old one at address "languages:language_interface, theme, user.permissions" was pointing to "url.query_args:language", new one points to "languages:language_url". in Drupal\Core\Cache\VariationCache->set() (line 144 of core/lib/Drupal/Core/Cache/VariationCache.php).
