HTTP ERROR 500

[afgtube]

can someone helpe me how to fix it.
The page does not work

afgtube.kamiaq.com can not process this request at this time.
HTTP ERROR 500

[DanielnetoDotCom]

check your log file https://github.com/DanielnetoDotCom/YouPHPTube/wiki/How-to-find-errors-on-YouPHPTube

[afgtube]

hello how to fix this:

[24-Aug-2018 16:11:11 UTC] PHP Fatal error: Uncaught exception 'Exception' with message 'DateTime::__construct(): 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 the timezone 'UTC' for now, but please set date.timezone to select your timezone.' in /home/kamiaqco/Afgtube.kamiaq.com/objects/include_config.php:8
Stack trace:
#0 /home/kamiaqco/Afgtube.kamiaq.com/objects/include_config.php(8): DateTime->__construct()
#1 /home/kamiaqco/Afgtube.kamiaq.com/videos/configuration.php(19): require_once('/home/kamiaqco/...')
#2 /home/kamiaqco/Afgtube.kamiaq.com/install/index.php(23): require_once('/home/kamiaqco/...')
#3 {main}
thrown in /home/kamiaqco/Afgtube.kamiaq.com/objects/include_config.php on line 8
[24-Aug-2018 16:11:40 UTC] PHP Fatal error: Uncaught exception 'Exception' with message 'DateTime::__construct(): 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 the timezone 'UTC' for now, but please set date.timezone to select your timezone.' in /home/kamiaqco/Afgtube.kamiaq.com/objects/include_config.php:8
Stack trace:
#0 /home/kamiaqco/Afgtube.kamiaq.com/objects/include_config.php(8): DateTime->__construct()
#1 /home/kamiaqco/Afgtube.kamiaq.com/videos/configuration.php(19): require_once('/home/kamiaqco/...')
#2 /home/kamiaqco/Afgtube.kamiaq.com/index.php(126): require_once('/home/kamiaqco/...')
#3 {main}
thrown in /home/kamiaqco/Afgtube.kamiaq.com/objects/include_config.php on line 8

[DanielnetoDotCom]

First thing, google for the fatal error

https://www.google.com.br/search?q=PHP+Fatal+error%3A+Uncaught+exception+%27Exception%27+with+message+%27DateTime%3A%3A__construct()%3A+It+is+not+safe+to+rely+on+the+system%27s+timezone+settings.&oq=PHP+Fatal+error%3A+Uncaught+exception+%27Exception%27+with+message+%27DateTime%3A%3A__construct()%3A+It+is+not+safe+to+rely+on+the+system%27s+timezone+settings.&aqs=chrome..69i57j69i64.343j0j7&sourceid=chrome&ie=UTF-8

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.