i have joomla, virtuemart, when enable debug mode get error.
How to fix it ? i have vps server centos

```
Fatal error: Allowed memory size of 272629760 bytes exhausted (tried to allocate 284095 bytes) in /plugins/system/debug/debug.php on line 1213
Fatal error: Allowed memory size of 272629760 bytes exhausted (tried to allocate 232974 bytes) in /plugins/system/debug/debug.php on line 1061
Fatal error: Allowed memory size of 272629760 bytes exhausted (tried to allocate 233968 bytes) in /plugins/system/debug/debug.php on line 1064
Fatal error: Allowed memory size of 272629760 bytes exhausted (tried to allocate 285383 bytes) in /plugins/system/debug/debug.php on line 1216

```