Positions in backoffice is blank

[Emilll]

So a few weeks ago we were working on our store, everything wen´t good and everything seemed to work, so we dropped the case and wen´t on...

 

But now when we are trying to configure the site again, it seems that we can´t use the positions link

in the backoffice.. when we push "positions" we only come to a blank white page.

 

I´ve been trying to google it, but coudlnt find anything..

 

Does any1 know what it might be?

 

All help is greatly appriciated!

Edited January 22, 2014 by Emilll (see edit history)

[vekia]

blank white page = you have to run error reporting

open onfig/defines.inc.php

 

find this linedefine('_PS_MODE_DEV_', false);

change to look like this: define('_PS_MODE_DEV_', true);

 

then instead of blank page you will see full error code (what and where doesn't work) (i hope so)

[Emilll]

Fatal error: Cannot redeclare xmlrpc_encode_entitites() in /customers/4/c/e/hamburgerpress.se/httpd.www/modules/billmatepartpayment/lib/lib/xmlrpc.inc on line 241

[vekia]

you installed some new (non default) module? it looks like problem  is with billmatepartpayment module

[Emilll]

Thank you, i uninstalled it and now its working!