Here is what I did:
Uploaded vBulletin into /home/vbcore/ (fresh files from vBulletin.com. 3.8.1)
Created a folder called configs inside the includes which is inside /home/vbcore/
Copied my config.php from /home/evo/public_html/forum/includes/ into /home/vbcore/includes/configs/ and renamed it to config_me.php
Uploaded config.php from your zip file to /home/vbcore/config.php and edited it as follows:
PHP Code:
## Change me
require_once(CORE_PATH . 'configs/config_me.php');
Along with changing my license info and putting my domain name in.
I then ran your php script and it created all the links.
I then opened my site up and got that error.
I know the config_me.php is fine, because its the same one I am using on my site right now. Plus, I renamed config_me.php to config.php and then placed it in /home/vbcore/includes/ overwriting your config.php. I then was able to get the site to load fine, using the DLS.
It's just when I use your config.php to include the file do I get that error.