Thread:Project:Support desk/Need help removing two paragraph tags above my page title/reply

First undo all changes, which you might currently have in OutputPage.php, Skin.php etc.

Then check skins/Modern/SkinModern.php: At the place where you have that output, the following code gets rendered:

$this->html( 'bodytext' )

So most likely these two empty lines are somehow added to the bodytext... Maybe via Manual:Interface/Sitenotice, e.g. coming from MediaWiki:Sitenotice or similar.