PaidRanks

I need help with PaidRanks, when I'm typing /rankup as an addict, not op or anything it doesnt do anything, doesn't print anything and doesn't even say it's an invalid command. I have Vault on and this is my group.yml

Code:

# Group inheritance
# any inherited groups prefixed with a g: are global groups
# These groups are defined in the globalgroups.yml
# and can be inherited in any worlds groups/users.yml.
#
# Groups without the g: prefix are groups local to this world
# and defined in the this groups.yml file.
 
groups:
  Addict:
    default: true
    permissions:
    - essentials.help
    - essentials.helpop
    - essentials.list
    - essentials.motd
    - essentials.rules
    - essentials.spawn
    inheritance:
    - g:essentials_default
    - g:bukkit_default
    info:
      prefix: '&e'
      build: true
      suffix: ''
  Grower:
    default: false
    permissions:
    inheritance:
    - Addict
    - g:essentials_builder
    info:
      prefix: '&2'
      build: true
      suffix: ''
  Dealer:
    default: false
    permissions:
    inheritance:
    - Grower
    - g:essentials_builder
    info:
      prefix: '&2'
      build: true
      suffix: ''
  Professional:
    default: false
    permissions:
    inheritance:
    - Dealer
    - g:essentials_builder
    info:
      prefix: '&2'
      build: true
      suffix: ''
  Drugmaster:
    default: false
    permissions: []
    inheritance:
    - Professional
    - g:essentials_builder
    info:
      prefix: '&2'
      build: true
      suffix: ''
  Moderator:
    default: false
    permissions: []
    inheritance:
    - builder
    - g:essentials_moderator
    - g:bukkit_moderator
    info:
      prefix: '&5'
      build: true
      suffix: ''
  Admin:
    default: false
    permissions: []
    inheritance:
    - moderator
    - g:essentials_admin
    - g:bukkit_admin
    info:
      prefix: '&c'
      build: true
      suffix: ''

and this is my rankprices.yml

Code:

groupslist:
- Addict
- Grower
- Dealer
- Professional
- Drugmaster
 
groups:
  Addict: 0
  Grower: 500
  Dealer: 25000
  Professional: 50000
  Drugmaster: 5000000
 
# These lists are ordered from lowest rank to highest rank.
# If you change default make sure you change it to the group
# that your users enter when they join the server
# or this plugin will not work. Group names must match
# the group names in your permissions.yml file
# or ranking up will not function properly.

Anyone know why this doesn't work?

Still need help

EDIT by Moderator: merged posts, please use the edit button instead of double posting.