I created a headless Linux build (Unity version - 5.4.3f1) for a very simple game and tried to execute it on my Ubuntu 15.04 VM, it displays following error:
Executed using following command:
Also tried:
I tried above on Centos 7 also, same error is displayed.
Did you build the player with mismatching editor and platform support versions?
(Does the “Initialize engine version” message in the log match your editor version?)