Ah it was installing 0.16 by default as stable, I see. Thank you.

Happends during "Loading Sprites..." at 89%"

This happened twice when compilatron goes to "show some automated mining at the first few steps of Introduction.
The scenario level caused a non-recoverable error.
Please report this error to the scenario author.

Error while running event level::on_tick (ID 0)
LuaEntity API call when LuaEntity was ...