#46 error when installing boost/install.php

[BR E SOLUTIONS]

$Id: INSTALL,v 1.7 2003/04/3
error when isntalling /boost/install.php
Fatal error: Call to a member function isDeity() on a non-object in /home/midirect/public_html/directoriopr/modules/phpwslistings-0.2.0/boost/install.php on line 5

http://www.midirectoriopr.info/directoriopr/modules/phpwslistings-0.2.0/boost/install.php
http://www.midirectoriopr.info .................................................................................................. domain name root
/directoriopr/ ............................................................................................................................. where I installed phpwebsite
/directoriopr/modules/ ................................................................................................................where phpwebsite modules are
/directoriopr/modules/phpwslistings-0.2.0................................................................................... where I installed phpwslistings