So, if you launch one silo, and then while it is launching, you click the one next to it and launch that as well, they will both launch and upon landing at nauvis you get this error
The mod ○ Lignumis (1.0.72) caused a non-recoverable error.
Please report this error to the mod author.
Error while running event lignumis::on_nth_tick(1561473)
LuaEntity API call when LuaEntity was invalid.
stack traceback:
[C]: in function 'index'
__lignumis/scripts/to-nauvis.lua:80: in function 'transit_player'
lignumis/scripts/to-nauvis.lua:192: in function <lignumis/scripts/to-nauvis.lua:191>
:)