ISSUE SUMMARY:
Users complain of all kinds of errors on login and on registration. I asked the hosting and this is what they replied:

Gordon L.
August 31, 2016 at 05:45 PM

Hello,

Thank you for contacting HostGator support.

The PHP errors produced by your site can be found in the error_log files in your account:

/home/libertyclicks/public_html/error_log
/home/libertyclicks/public_html/administrator/error_log

You can open them via File Manager in cPanel to review your PHP script's errors for further PHP troubleshooting. If you are unsure about how to debug your PHP scripts we do recommend showing the errors to your script's developer / provider for more assistance. By far, the most common Fatal error on your site is related to the com_users component on your site:

[28-Aug-2016 19:46:51 CST6CDT] PHP Fatal error: Call to a member function get() on null in /home/libertyclicks/public_html/components/com_users/models/login.php on line 62

STEPS TO REPLICATE:
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RESULT
EXPECTED RESULT
BROWSER

Hi Morris,

This issue caused by 3rd party or cache system. anyway, i just tried login and register and everything is fine

thank you