[MediaWiki-l] update.php failed for mediawiki-1.38.0

Hi. When running "php update.php" I get this error: php update.php PHP Fatal error: Uncaught Exception: Unable to open file /Cite/extension.json: filemtime(): stat failed for /Cite/extension.json in /srv/http/wiki.intranet.lamby.de/mediawiki-1.38.0/includes/registration/ExtensionRegistry.php:182 Stack trace: #0 /srv/http/wiki.intranet.lamby.de/mediawiki-1.38.0/includes/GlobalFunctions.php(52): ExtensionRegistry->queue() #1 /srv/http/wiki.intranet.lamby.de/mediawiki-1.38.0/LocalSettings.php(203): wfLoadExtension() #2 /srv/http/wiki.intranet.lamby.de/mediawiki-1.38.0/includes/Setup.php(204): require_once('...') #3 /srv/http/wiki.intranet.lamby.de/mediawiki-1.38.0/maintenance/doMaintenance.php(96): require_once('...') #4 /srv/http/wiki.intranet.lamby.de/mediawiki-1.38.0/maintenance/update.php(264): require_once('...') #5 {main} thrown in /srv/http/wiki.intranet.lamby.de/mediawiki-1.38.0/includes/registration/ExtensionRegistry.php on line 182 Fatal error: Uncaught Exception: Unable to open file /Cite/extension.json: filemtime(): stat failed for /Cite/extension.json in /srv/http/wiki.intranet.lamby.de/mediawiki-1.38.0/includes/registration/ExtensionRegistry.php:182 Stack trace: #0 /srv/http/wiki.intranet.lamby.de/mediawiki-1.38.0/includes/GlobalFunctions.php(52): ExtensionRegistry->queue() #1 /srv/http/wiki.intranet.lamby.de/mediawiki-1.38.0/LocalSettings.php(203): wfLoadExtension() #2 /srv/http/wiki.intranet.lamby.de/mediawiki-1.38.0/includes/Setup.php(204): require_once('...') #3 /srv/http/wiki.intranet.lamby.de/mediawiki-1.38.0/maintenance/doMaintenance.php(96): require_once('...') #4 /srv/http/wiki.intranet.lamby.de/mediawiki-1.38.0/maintenance/update.php(264): require_once('...') #5 {main} thrown in /srv/http/wiki.intranet.lamby.de/mediawiki-1.38.0/includes/registration/ExtensionRegistry.php on line 182