Too many warnings after update to 2.16.0

Support & Bugs
1

WARNING: Config.php(161): Notice - Undefined index: piwik_pro_ads_enabled - Piwik 2.16.0 - Please report this message in the Piwik forums: http://forum.piwik.org (please do a search first as it might have been reported already)
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2

Reupload your config/global.ini.php