Quote Originally Posted by DanhVc View Post
Updating from 5.7 to 5.8
when in admin then this error:
Notice: Undefined index: license_key in /home/abcgames/public_html/admin/secure.php on line 23
and enter the License Key it this error: Warning: Can not modify header information - headers already sent by (output Started at /home/abcgames/public_html/admin/secure.php:23) in /home/abcgames/public_html/admin/update_key.php on line 10
please help!
You need to submit your license key on the forums. Once you have done that, you will get a reply to your question.

You are getting this error because you are using a nulled script and should be PAID for! Please stop nulling.