{"checktoken":{"result":"invalid"}}
Try waiting a few minutes and reloading.
(Cannot access the database)
Backtrace:
#0 /srv/www/lazaruswiki/includes/libs/rdbms/loadbalancer/LoadBalancer.php(937): Wikimedia\Rdbms\LoadBalancer->reportConnectionError() #1 /srv/www/lazaruswiki/includes/libs/rdbms/loadbalancer/LoadBalancer.php(904): Wikimedia\Rdbms\LoadBalancer->getServerConnection() #2 /srv/www/lazaruswiki/includes/libs/rdbms/loadbalancer/LoadBalancer.php(1049): Wikimedia\Rdbms\LoadBalancer->getConnection() #3 /srv/www/lazaruswiki/includes/GlobalFunctions.php(2463): Wikimedia\Rdbms\LoadBalancer->getMaintenanceConnectionRef() #4 /srv/www/lazaruswiki/includes/block/DatabaseBlock.php(258): wfGetDB() #5 /srv/www/lazaruswiki/includes/block/DatabaseBlock.php(1187): MediaWiki\Block\DatabaseBlock::newLoad() #6 /srv/www/lazaruswiki/includes/block/BlockManager.php(146): MediaWiki\Block\DatabaseBlock::newListFromTarget() #7 /srv/www/lazaruswiki/includes/user/User.php(1605): MediaWiki\Block\BlockManager->getUserBlock() #8 /srv/www/lazaruswiki/includes/user/User.php(1991): User->getBlockedStatus() #9 /srv/www/lazaruswiki/includes/block/BlockManager.php(479): User->getBlock() #10 /srv/www/lazaruswiki/includes/MediaWiki.php(772): MediaWiki\Block\BlockManager->trackBlockWithCookie() #11 /srv/www/lazaruswiki/includes/api/ApiMain.php(555): MediaWiki::preOutputCommit() #12 /srv/www/lazaruswiki/includes/api/ApiMain.php(500): ApiMain->executeActionWithErrorHandling() #13 /srv/www/lazaruswiki/api.php(90): ApiMain->execute() #14 /srv/www/lazaruswiki/api.php(45): wfApiMain() #15 {main}