Since my last update from 2.x to 2.15.0, I got a warning on my dashboard:
/var/www/piwik/core/AssetManager.php(263): Notice - Undefined index:
disable_merged_assets - Piwik 2.15.0 - Please report this message in the
Piwik forums: http://forum.piwik.org (please do a search first as it
might have been reported already)
Can I do something to make it disappear?
I run Piwik on Debian 8 / MySQL.