Last modified: 2011-12-12 03:52:20 UTC
One can't access Special:Specialpages on 1.18 running Extension:Maintenance, as it gives this error: Fatal error: Cannot instantiate abstract class Maintenance in C:\Users\myaw\Desktop\Manish\PHP\mediawiki\mw\includes\SpecialPageFactory.php on line 318
The extension probably needs to be updated to avoid a naming conflict.
Doesn't happen for me using current trunk or 1.18 versions of extension; try redownloading it from http://www.mediawiki.org/wiki/Special:ExtensionDistributor/Maintenance