Thread:Project:Support desk/Notice: Undefined property: DatabaseMysql::$mTrxDoneWrites in D:\wiki\TechWiki\includes\db\Database.php on line 512/reply (4)

I am seeing this as well with my fresh install of MediaWiki 1.20.1. It appears even on the Home Page.

IIS7

MySQL 5.5

PHP5.4 using CGI version