powerranks commands

so i was just launching my server to test powerranks. i was having an issue, where i would do /pr set Ashthesnowman Owner but nothing will show up in chat. maybe i did something wrong in the permissions? heres the list. (ranks.yml folder)

Groups:

Wood:

worlds:

world: true

world_nether: false

world_the_end: false

permissions: '[]'

interance: '[]'

prefix: '[&8Wood&f]'

chatColor: RESET

Stone:

worlds:

world: true

world_nether: false

world_the_end: false

permissions:

-'[minecraft.command.weather]'

interance: '[]'

prefix: '[&7Stone&f]'

chatColor: RESET

Diamond:

worlds:

world: true

world_nether: false

world_the_end: false

permissions:

-'[minecraft.command.tp]'

interance: '[]'

prefix: '[&3Diamond&f]'

chatColor: RESET

Obsidian:

worlds:

world: true

world_nether: false

world_the_end: false

permissions:

-'[minecraft.command.fly]'

interance: '[]'

prefix: '[&0Obsidian&f]'

chatColor: RESET

Moderator:

worlds:

world: true

world_nether: false

world_the_end: false

permissions:

-'[minecraft.command.ban]'

-'[minecraft.command.ban-ip]'

-'[minecraft.command.banlist]'

-'[minecraft.command.kick]'

-'[minecraft.command.kill]'

-'[minecraft.command.pardon]'

-'[minecraft.command.pardon-ip]'

-'[minecraft.command.gamemode]'

interance: '[]'

prefix: '[&2Moderator&f]'

chatColor: RESET

Admin:

worlds:

world: true

world_nether: false

world_the_end: false

permissions:

-'[minecraft.command.op]'

interance: '[]'

prefix: '[&cAdmin&f]'

chatColor: RESET

Owner:

worlds:

world: true

world_nether: false

world_the_end: false

permissions:

-'[minecraft.command.op]'

interance: '[]'

prefix: '[&eOwner&f]'

chatColor: RESET

VIP:

worlds:

world: true

world_nether: false

world_the_end: false

permissions: '[]'

interance: '[]'

prefix: '[&aVIP&f]'

chatColor: RESET

MVP:

worlds:

world: true

world_nether: false

world_the_end: false

permissions: '[]'

interance: '[]'

prefix: '[&5MVP&f]'

chatColor: RESET

YouTuber:

worlds:

world: true

world_nether: false

world_the_end: false

permissions:

-'[minecraft.command.weather]'

-'[minecraft.command.time]'

interance: '[]'

prefix: '[&cYou&f&fTuber&f]'

chatColor: RESET

Builder:

worlds:

world: true

world_nether: false

world_the_end: false

permissions:

-'[minecraft.command.gamemode]'

interance: '[]'

prefix: '[&1Builder&f]'

chatColor: RESET

Helper:

worlds:

world: true

world_nether: false

world_the_end: false

permissions:

-'[minecraft.command.gamemode]'

interance: '[]'

prefix: '[&bHelper&f]'

chatColor: RESET

Default: Wood

didnt work.

im opped, have gamemode and all that stuff. it still DOESNT WORK

so is anyone gonna answer my question....