Hello ALEKS2015,
All these notification messages you can disable in your Joomla admin panel -> Global configurations -> Server Settings panel by changing the Error Reporting parameter to 'None'.
Get an access to all 94 items designed and developed by AS Designing team plus all the future items
which will be released over the course of your club subscription.
Price starting from $59.00
http://astcom.company/
http://astcom.company/index.php/about/history
All these notification messages you can disable in your Joomla admin panel -> Global configurations -> Server Settings panel by changing the Error Reporting parameter to 'None'.
Regards, AS Team.