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When authorization ulogin, when leaving the site error output: 
 
And while there is a cookie, the error will go. And every time you refresh the page there is a new user.
 
Notice: Undefined offset: 0 in /var/www/site/data/www/site.ru/qa-plugin/ulogin-login/qa-ulogin-login.php on line 109

A Question2Answer database query failed when generating this page.

A full description of the failure is available in the web server's error log file.

This continues until there are cookies

Help me please!

Q2A version: last
by
only when using Internet Explorer

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