Hello,
It seems you haven't installed "ARI Sexy Lightbox" module before installing and enabling "System - ARI Sexy Thumbnails" plugin. This fact is described in readme.txt file from extension's archive.
Currently that fix the problem, run the next SQL query in PHPMyAdmin or other DB tool (it is usually provided by hosting panel):
Code: |
UPDATE `jos_extensions` SET `enabled` = 0 WHERE `type` = 'plugin' AND `element` = 'arisexythumbnails'
|
or open <joomla_directory>\plugins\system\arisexythumbnails\ folder by FTP and delete or rename arisexythumbnails.php file.
After this Joomla! return back to normal state. Install "ARI Sexy Lightbox" module and everything will work fine.
Regards,
ARI Soft