My document is a kind of long thesis that I will not copy paste here. When I compile it, everything goes fine, except for the following warning
Overfull \vbox (1.83182pt too high) has occurred while \output is active 
My problem is I don't know where this comes from, since no line is specified (I'm using Texmaker with Miktex, and Texmaker says the Badbox is at line 1; however I suspect this is just Texmaker saying that, because there's nothing else specified in the log file and the title is just fine). And since I don't understand the origin of the problem, I don't know how to correct it.