Warning: set_time_limit(): Cannot set time limit in safe mode in /home/vhosts/magic.cafe150.com/blog/wizard.php on line 7

Fatal error: Allowed memory size of 4194304 bytes exhausted (tried to allocate 11520 bytes) in /home/vhosts/magic.cafe150.com/blog/class/dao/customfields/customfieldsvalues.class.php on line 61
這是什麼意思呢?

有誰可以幫我解決