Originally Posted by vStone

The problem seems to be caused because apt tries to install both libsdl-ttf2.0-0 and libsdl-ttf2.0.

I resolved this by force removing the installed libsdl-ttf2 version:

Code:

$ dpkg --force-all -r libsdl-ttf2.0-0

Afterward running apt-get install -f resolved the issue and installed both packages without problems. (logic? no clue.)