Thread:Project:Support desk/Fatal error after install

So in installed the most recent version of MediaWiki: mediawiki-1.19.2.

Ran /mw-config/index.php and got a happy green checkmark.

Went to my wiki and got a blank page, so I added the recommended code to my LocalSettings to print out the error and got:

Fatal error: Unsupported operand types in /thewiki/languages/Language.php on line 345

So I pulled open that file and the following line is 345:

$this->namespaceNames = $wgExtraNamespaces + $this->namespaceNames + $validNamespaces;

This is the entire function encapsulating that line:

URL to the page is: http://www.gryffinsholt.com/thewiki/index.php/Main_Page