WCF::handleException() Unhandled exception: Argument 1 passed to wcf\data\DatabaseObjectList::setObjectIDs() must be of the type array, string given, called in /var/www/vhosts/philosophie-raum.de/httpdocs/wcf/lib/data/user/UserProfile.class.php on line 371

#0 /var/www/vhosts/philosophie-raum.de/httpdocs/wcf/lib/data/user/UserProfile.class.php(371): wcf\data\DatabaseObjectList->setObjectIDs(' LEFT JOIN wcf1...')
#1 /var/www/vhosts/philosophie-raum.de/httpdocs/wcf/lib/data/user/activity/event/ViewableUserActivityEventList.class.php(73): wcf\data\user\UserProfile::getUserProfiles(Array)
#2 /var/www/vhosts/philosophie-raum.de/httpdocs/wcf/lib/system/dashboard/box/RecentActivityDashboardBox.class.php(60): wcf\data\user\activity\event\ViewableUserActivityEventList->readObjects()
#3 /var/www/vhosts/philosophie-raum.de/httpdocs/wcf/lib/system/dashboard/DashboardHandler.class.php(71): wcf\system\dashboard\box\RecentActivityDashboardBox->init(Object(wcf\data\dashboard\box\DashboardBox), Object(wcf\page\DashboardPage))
#4 /var/www/vhosts/philosophie-raum.de/httpdocs/wcf/lib/page/DashboardPage.class.php(52): wcf\system\dashboard\DashboardHandler->loadBoxes('com.woltlab.wcf...', Object(wcf\page\DashboardPage))
#5 /var/www/vhosts/philosophie-raum.de/httpdocs/wcf/lib/page/AbstractPage.class.php(276): wcf\page\DashboardPage->assignVariables()
#6 /var/www/vhosts/philosophie-raum.de/httpdocs/wcf/lib/page/AbstractPage.class.php(100): wcf\page\AbstractPage->show()
#7 /var/www/vhosts/philosophie-raum.de/httpdocs/wcf/lib/system/request/Request.class.php(58): wcf\page\AbstractPage->__run()
#8 /var/www/vhosts/philosophie-raum.de/httpdocs/wcf/lib/system/request/RequestHandler.class.php(139): wcf\system\request\Request->execute()
#9 /var/www/vhosts/philosophie-raum.de/httpdocs/index.php(10): wcf\system\request\RequestHandler->handle('wbb')
#10 {main}