I restarted multiple times to no avail. I assume that it's by the server, a friend of mine tested the world on SP and they were fine.
I'll try again today and see if it was just Aternos caving in on itself ![]()
EDIT1: I tried again, same thing happened.
2016-12-26 00:40:55 [SEVERE] [Minecraft-Server] Encountered an unexpected exception ReportedException
net.minecraft.util.ReportedException: Ticking tile entity
Caused by: java.lang.StackOverflowError
So I assume that Aternos servers (or servers in general) have a problem with Liquid Routers (maybe, if that's what caused it). Darn.
EDIT2: Error solved. I just needed to change a few settings in forge.cfg to remove the erroring tile entities.
Someone please close this thread if possible.