Q:

Codeigniter session error. I can't fix

I have some problem with my app on codeigniter. 
When I'm visiting the site on the localhost it's fine, but when I'm copy application to the remote server I get 404 error open visiting the site.
this translates to :

An uncaught Exception was encountered
Type: Exception
Message: Session: Configured save path '/home/site/14238/www/web1/system>/cache' is not writable by the PHP process.
Filename: /home/site/14238/www/web1/system/libraries/Session/drivers/Session_files_driver.php
Line Number: 124
Backtrace:
File: /home/site/14238/www/web1/application/controllers/Home.php
  Line: 6
  Function: __construct
File: /home/site/14238/www/web1/index.php
  Line: 292
  Function: require_once
A PHP Error was encountered
Severity: Warning
Message: file_exists() [function.file-exists]: open_basedir restriction in effect. File(35183c9923cab619845ef0f478fc300e62bac6b5) is not within the allowed path(s): (/home/www:/home/site:/usr/share/php)
Filename: drivers/Session_files_driver.php
Line Number: 154
Backtrace:

A PHP Error was encountered
Severity: Warning
Message: fopen() [function.fopen]: open_basedir restriction in effect. File(35183c9923cab619845ef0f478fc300e62bac6b5) is not within the allowed path(s): (/home/www:/home/site:/usr/share/php)
Filename: drivers/Session_files_driver.php
Line Number: 156
Backtrace:
  
A PHP Error was encountered
Severity: Warning
Message: fopen(35183c9923cab619845ef0f478fc300e62bac6b5) [function.fopen]: failed to open stream: Operation not permitted
Filename: drivers/Session_files_driver.php
Line Number: 156
Backtrace:

A:

You should give the writable permission to /home/site/14238/www/web1/system/cache directory

