memcache error

[ocpistol]

Notice: Use of undefined constant __PS_BASE_URI__ - assumed '__PS_BASE_URI__' in /home/admin/bec/config/defines.inc.php on line 39

 

Notice: Use of undefined constant _THEME_NAME_ - assumed '_THEME_NAME_' in /home/admin/bec/config/defines.inc.php on line 40

 

Notice: Use of undefined constant __PS_BASE_URI__ - assumed '__PS_BASE_URI__' in /home/admin/bec/config/defines.inc.php on line 46

 

Notice: Use of undefined constant __PS_BASE_URI__ - assumed '__PS_BASE_URI__' in /home/admin/bec/config/defines.inc.php on line 63

 

Notice: Use of undefined constant __PS_BASE_URI__ - assumed '__PS_BASE_URI__' in /home/admin/bec/config/defines.inc.php on line 64

 

Notice: Use of undefined constant __PS_BASE_URI__ - assumed '__PS_BASE_URI__' in /home/admin/bec/config/defines.inc.php on line 65

 

Notice: Use of undefined constant __PS_BASE_URI__ - assumed '__PS_BASE_URI__' in /home/admin/bec/config/defines.inc.php on line 66

 

Notice: Use of undefined constant __PS_BASE_URI__ - assumed '__PS_BASE_URI__' in /home/admin/bec/config/defines.inc.php on line 67

 

Notice: Use of undefined constant _THEME_NAME_ - assumed '_THEME_NAME_' in /home/admin/bec/config/defines.inc.php on line 77

 

Notice: Use of undefined constant _DB_SERVER_ - assumed '_DB_SERVER_' in /home/admin/bec/classes/Db.php on line 86

 

Notice: Use of undefined constant _DB_USER_ - assumed '_DB_USER_' in /home/admin/bec/classes/Db.php on line 86

 

Notice: Use of undefined constant _DB_PASSWD_ - assumed '_DB_PASSWD_' in /home/admin/bec/classes/Db.php on line 86

 

Notice: Use of undefined constant _DB_NAME_ - assumed '_DB_NAME_' in /home/admin/bec/classes/Db.php on line 86

 

Notice: Use of undefined constant _DB_TYPE_ - assumed '_DB_TYPE_' in /home/admin/bec/classes/Db.php on line 107

 

Warning: mysql_connect() [function.mysql-connect]: Unknown MySQL server host '_DB_SERVER_' (1) in /home/admin/bec/classes/MySQL.php on line 34

Link to database cannot be established.

Back Office Preferences Performance

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Warning

: file_put_contents(/home/admin/bec/********/tabs/../../config/settings.inc.php) [

function.file-put-contents

]: failed to open stream: Operation not permitted in

/home/admin/***/****/tabs/AdminPerformance.php

on line

66

 

 

This is the error i get when I try to turn memcache on, Im also getting it in other places when I attempt to install new modules too.