Hello I recently started a prison server and it was going fine until I paid for a server host as my pc kept crashing cause I had a lot of ram dedicated to it, so I got creeperhost to host my server and now I needed someone to write permissions so my friend also runs a bukkit server so I asked him and he did it and when I tested it out it worked fine now 3 days later it wont let not OP's warp so this screws everything up.

Here is My PEX Config:
groups:
default:
default: false
permissions:
- modifyworld.*
A:
default: true
permissions:
- essentials.warp.a
- modifyworld.*
prefix: '&f[&dA&f]'
inheritance:
- B
B:
default: false
permissions:
- essentials.warp.b.
prefix: '&f[&8B&f]'
inheritance:
- C
C:
default: false
permissions:
- essentials.warp.c
prefix: '&f[&9C&f]'
inheritance:
- D
D:
default: false
permissions:
- essentials.warp.d
prefix: '&f[&eD&f]'
inheritance:
- J
J:
default: false
permissions:
- essentials.warp.j
prefix: '&f[&2J&f]'
inheritance:
- M
M:
default: false
permissions:
- essentials.warp.m
prefix: '&f[&3M&f]'
inheritance:
- S
S:
default: false
permissions:
- essentials.warp.s
prefix: '&f[&dS&f]'
inheritance:
- Free
Free:
default: false
permissions:
- essentials.warp.free
prefix: '&f[&8Free&f]'