Console spamming errors Spigot 1.13.2

[AngieC233]

Using spigot version : This server is running CraftBukkit version git-Spigot-a1f2566-8cd538e (MC: 1.13.2) (Implementing API version 1.13.2-R0.1-SNAPSHOT)

Console constantly spamming errors, here is a copy of the errors. Hope this can be fixed. Thank you.

https://pastebin.com/1xadZHWc

[TheLimeGlass]

Pastebin link expired.

[AngieC233]

Here is the renewed link https://pastebin.com/kp4WRRkX

[AngieC233]

It is still spamming errors with the latest 1.13.2 spigot version. Something to do with unable to get stats for McMMo skills