To further clarify, I went into phpMyAdmin and found this error:
A newer version of phpMyAdmin is available and you should consider
upgrading. The newest version is 3.5.2, released on 2012-07-07.
Update of phpMyAdmin will be available in next version of AMPPS.
You can install latest phpMyAdmin from AMPPS Enduser panel http://localhost/ampps as phpMyAdmin included in 260+ scripts provided by AMPPS
You can configure phpMyAdmins extended features by following their documentation:
The phpMyAdmin configuration storage is not completely configured, some
extended features have been deactivated. To find out why click here.
No. phpMyAdmin Warnings are not related to Joomla notice.
I think the second Error is the cause of the previous error log from Joomla that I posted.
In php.ini (AMPPS Application -> PHP Tab -> Configuration), find the line error_reporting = set error_reporting value to default i.e
The question is, how can I clear this error messages?
In case if it still doesn't work, you can try changing PHP version from AMPPS Application -> PHP Tab -> Change Version
error_reporting = E_ALL & ~E_NOTICE
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