https://pastebin.com/KUjZ6sDc

ver ProtocolLib
[16:21:10 INFO]: ProtocolLib version 4.4.0
[16:21:10 INFO]: Provides read/write access to the Minecraft protocol.
[16:21:10 INFO]: Authors: dmulloy2 and comphenix

ver
[16:22:57 INFO]: This server is running CraftBukkit version git-Spigot-21fe707-e1ebe52 (MC: 1.8.8) (Implementing API version 1.8.8-R0.1-SNAPSHOT)
[16:22:57 INFO]: Checking version, please wait...
[16:22:58 INFO]: You are 1397 version(s) behind