That problem affect some plugins and i really need to solve (like Litebans and ShopArea)

The errors:
https://pastebin.com/dwDQs5FD

https://pastebin.com/qgmgDhTE

I tried to scan the file in Region-Fixer-GUI, but is not working

When i put the version is not working, so i give it here:
This server is running CraftBukkit version git-PaperSpigot-"8b18730" (MC: 1.8.8) (Implementing API version 1.8.8-R0.1-SNAPSHOT)