Log started at: Thu  4 Jun 19:05:39 BST 2020

RetroPie-Setup version: 4.6.1 (65bffe55)
System: Raspbian GNU/Linux 10 (buster) - Linux retropie 4.19.118-v7l+ #1311 SMP Mon Apr 27 14:26:42 BST 2020 armv7l GNU/Linux

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Installing dependencies for 'openbor' : OpenBOR - Beat 'em Up Game Engine
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Did not find needed dependencies: libpng12-dev. Trying to install them now.
Hit:1 http://archive.raspberrypi.org/debian buster InRelease
Hit:2 http://raspbian.raspberrypi.org/raspbian buster InRelease
Reading package lists...
Reading package lists...
Building dependency tree...
Reading state information...
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 libsdl1.2-dev : Depends: libcaca-dev but it is not going to be installed
E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.
Could not install package(s): libpng12-dev.

Log ended at: Thu  4 Jun 19:05:45 BST 2020
Total running time: 0 hours, 0 mins, 6 secs