Minecraft PermissionEx, load rights, prefixes not?

At
3

Have the problem mentioned above. In addition, I've installed ChatEX but I can't find this stupid mistake… Here are the files again

Permissions from PEX:

Config of ChatEX:

Dr

Did you also install Vault? That's what you need as far as I know

At

Has done, apparently you have to write prefix under the item 'options'. Was not like that before!

Dr

Oh… I did not notice xd