Requirement does not work?

[lean tundra]

misc25:
material: LIME_WOOL
data: 1
slot: 49
display_name: "&aВыбрать эту стихию"
lore:
click_requirement:
requirements:
req1:
type: has permission
permission: 'group.a'
deny_commands:
- '[close]'
- '[message] &7Вам недоступна эта стихия!'
left_click_commands:
- '[console] b add air %player_name%'
- '[sound] BLOCK_BEACON_ACTIVATE'