What Version of NeoTech are you using: NeoTech-1.8.9-2.4.1

If possible, did you break and replace the block: NA

Please Pastebin.com the crash Report and put link here: NA

Just putting a reminder for Dyo about the possibility of adding a config to Neotech to enable chunkloading from chunkloaders only when the player who placed it is online.