Please do not bump Your own question. It only resets the date of a last activity and moves to the end of the line.
This is just a notification caused by a different programming style than newer PHP version is trying to force, but has no effect on performance or functionality.
If disabling errors in global joomla configuration does not work than You need to change it directly in php.ini file.
As I told You, the delay was because of a constant bumps. Next time please simply post a question and wait. We have couple of moderators on this but they are answering from longest waiting. Bump makes question to appear with a new activity date, so it's visible as new.