Pore Error Loading a ported version of Essentials & Group Manager.

[djoveryde]

Im having issues with Essentials 2.x which is a Spigot 1.8.9 version which to a degree works however when a player loads in it throws the following error

http://pastebin.com/ccuZaZmm

Any ideas how I fix this?

Similar Error also occurs on a 1.8.9 version of Group Manager.

http://pastebin.com/AWQEYELk

Sponge Version: spongeforge-1.8.9-1808-4.1.0-BETA-1269

Pore Version: Pore 1.0.0 Build 292

Forge Version: forge-1.8.9-11.15.1.1855