Trying to upgarde.....

[verticalio]

I am trying to upgrade from 1.4.? to 1.5.6 after cpoing the back an forth for the updaged version, when i go to www......com/install i get a blank page.

 

I then turned on debug mode and i get this error -

 

Notice: Undefined property: Smarty::$deprecation_notices in /var/www/clients/client0/web5/web/tools/smarty/Smarty.class.php on line 702

Fatal error: Uncaught exception 'SmartyException' with message 'Plugin "secureReferrer" not callable' in /var/www/clients/client0/web5/web/tools/smarty/sysplugins/smarty_internal_templatebase.php:428 Stack trace: #0 /var/www/clients/client0/web5/web/config/smarty.config.inc.php(212): Smarty_Internal_TemplateBase->registerPlugin('modifier', 'secureReferrer', Array) #1 /var/www/clients/client0/web5/web/config/smarty.config.inc.php(66): smartyRegisterFunction(Object(Smarty), 'modifier', 'secureReferrer', Array) #2 /var/www/clients/client0/web5/web/config/config.inc.php(134): require_once('/var/www/client...') #3 /var/www/clients/client0/web5/web/index.php(27): require('/var/www/client...') #4 {main} thrown in /var/www/clients/client0/web5/web/tools/smarty/sysplugins/smarty_internal_templatebase.php on line 428

 

any help would be great

 

thanks