Upgrade 5.3 >> 5.4 RC

Cannot find package 'com.woltlab.calendar' in version '5.4.0'


File:

/storagepool/c01021/htdocs/lrde.de/lib/system/package/PackageUpdateDispatcher.class.php in line 918


Stacktrace:

#0 /storagepool/c01021/htdocs/lrde.de/lib/system/package/PackageInstallationScheduler.class.php(528): wcf\system\package\PackageUpdateDispatcher->getPackageUpdateVersions('com.woltlab.cal...', '5.4.0')
#1 /storagepool/c01021/htdocs/lrde.de/lib/system/package/PackageInstallationScheduler.class.php(105): wcf\system\package\PackageInstallationScheduler->updatePackage(47, '5.4.0')
#2 /storagepool/c01021/htdocs/lrde.de/lib/system/package/PackageInstallationScheduler.class.php(66): wcf\system\package\PackageInstallationScheduler->tryToInstallPackage(Object(wcf\data\package\Package), '5.4.0 RC 1', true, false)
#3 /storagepool/c01021/htdocs/lrde.de/lib/data/package/update/PackageUpdateAction.class.php(656): wcf\system\package\PackageInstallationScheduler->buildPackageInstallationStack(false)
#4 /storagepool/c01021/htdocs/lrde.de/lib/data/package/update/PackageUpdateAction.class.php(593): wcf\data\package\update\PackageUpdateAction->createQueue('update')
#5 /storagepool/c01021/htdocs/lrde.de/lib/data/AbstractDatabaseObjectAction.class.php(204): wcf\data\package\update\PackageUpdateAction->prepareUpdate()
#6 /storagepool/c01021/htdocs/lrde.de/lib/action/AJAXProxyAction.class.php(75): wcf\data\AbstractDatabaseObjectAction->executeAction()
#7 /storagepool/c01021/htdocs/lrde.de/lib/action/AJAXInvokeAction.class.php(94): wcf\action\AJAXProxyAction->invoke()
#8 /storagepool/c01021/htdocs/lrde.de/lib/action/AbstractAction.class.php(47): wcf\action\AJAXInvokeAction->execute()
#9 /storagepool/c01021/htdocs/lrde.de/lib/action/AJAXInvokeAction.class.php(61): wcf\action\AbstractAction->__run()
#10 /storagepool/c01021/htdocs/lrde.de/lib/system/request/Request.class.php(83): wcf\action\AJAXInvokeAction->__run()
#11 /storagepool/c01021/htdocs/lrde.de/lib/system/request/RequestHandler.class.php(107): wcf\system\request\Request->execute()
#12 /storagepool/c01021/htdocs/lrde.de/acp/index.php(9): wcf\system\request\RequestHandler->handle('wcf', true)
#13 {main}