[webizen]

Originally Posted by TakCloud

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Warning: date() [function.date]: It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still getting this warning, you most likely misspelled the timezone identifier. We selected 'America/New_York' for 'EST/-5.0/no DST' instead in /home/mani/domains/manichat.ir/public_html/class/Index.class.php on line 64

how fix this problem?

the issue (warning) indicates that you do not have date.timezone defined in php.ini. to find out which php.ini is used, run the command as NiteWave suggested.