PHP Warning: Declaration of Contao\CalendarTags::addEvent

Hallo,

seit dem Update von Contao 3.5.19 auf 3.5.20 bekomme ich folgende Fehlermeldung in den Logs:

HTML-Code:

---

[28-Dec-2016 00:00:04 Europe/Berlin]
PHP Warning: Declaration of Contao\CalendarTags::addEvent($objEvent, $intStart, $intEnd, $strUrl, $strLink) should be compatible with Contao\Calendar::addEvent($objEvent, $intStart, $intEnd, $strUrl, $strBase = '') in /www/htdocs/wurst/system/modules/tags/classes/CalendarTags.php on line 12
#0 /www/htdocs/wurst/system/modules/tags/classes/CalendarTags.php(12): __error(2, 'Declaration of ...', '/www/htdocs/wur...', 12, Array)
#1 /www/htdocs/wurst/system/modules/core/library/Contao/ClassLoader.php(161): include('/www/htdocs/wur...')
#2 [internal function]: Contao\ClassLoader::load('CalendarTags')
#3 [internal function]: spl_autoload_call('CalendarTags')
#4 /www/htdocs/wurst/system/modules/core/library/Contao/System.php(140): get_class_methods('CalendarTags')
#5 /www/htdocs/wurst/system/modules/core/controllers/FrontendCron.php(99): Contao\System->import('CalendarTags')
#6 /www/htdocs/wurst/system/cron/cron.php(20): Contao\FrontendCron->run()
#7 {main}

---

Kann das jemand bestätigen?