error for websit and admin

hi,today my website show this below error,but recently i didn't change anything in website :

Warning: ini_set() has been disabled for security reasons in /home/aelabcn/public_html/system/library/session.php on line 7Warning: ini_set() has been disabled for security reasons in /home/aelabcn/public_html/system/library/session.php on line 8Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /home/aelabcn/public_html/index.php:92) in /home/aelabcn/public_html/system/library/session.php on line 11Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/aelabcn/public_html/index.php:92) in /home/aelabcn/public_html/system/library/session.php on line 11Warning: Cannot modify header information - headers already sent by (output started at /home/aelabcn/public_html/index.php:92) in /home/aelabcn/public_html/index.php on line 173Warning: Cannot modify header information - headers already sent by (output started at /home/aelabcn/public_html/index.php:92) in /home/aelabcn/public_html/system/library/currency.php on line 45

and can't go to admin , show this error :

Warning: ini_set() has been disabled for security reasons in /home/aelabcn/public_html/system/library/session.php on line 7Warning: ini_set() has been disabled for security reasons in /home/aelabcn/public_html/system/library/session.php on line 8Warning: session_start() [function.session-start]: Cannot send session cookie - headers already sent by (output started at /home/aelabcn/public_html/admin/index.php:72) in /home/aelabcn/public_html/system/library/session.php on line 11Warning: session_start() [function.session-start]: Cannot send session cache limiter - headers already sent (output started at /home/aelabcn/public_html/admin/index.php:72) in /home/aelabcn/public_html/system/library/session.php on line 11Warning: Cannot modify header information - headers already sent by (output started at /home/aelabcn/public_html/admin/index.php:72) in /home/aelabcn/public_html/system/library/currency.php on line 45

Please help me !

Talk to your hoster.

well, that ain't helpfull is it? talk to your hoster, and say what???

buliwyf wrote:well, that ain't helpfull is it? talk to your hoster, and say what???

That you have a certain error maybe?
Show them the error and if they know their business they know what to do.
If not, move hoster....

buliwyf wrote:well, that ain't helpfull is it? talk to your hoster, and say what???

They've disabled ini_set which OpenCart sets as part of the user session.