An uncaught Exception was encountered

Type: Error

Message: Call to undefined function pg_connect()

Filename: /home/websrvc/www/html/moneydoctor/moneydoctor/system/database/drivers/postgre/postgre_driver.php

Line Number: 154

Backtrace:

File: /home/websrvc/www/html/moneydoctor/moneydoctor/application/controllers/Board.php
Line: 27
Function: database

File: /home/websrvc/www/html/moneydoctor/moneydoctor/index.php
Line: 315
Function: require_once