Ultimate Teams

Now team creation can charge players game currency via Vault

Vault and an economy plugins are required to enable this feature

You need to reset your config. Otherwise you can add this at the end of the config file:

economy:
  # Whether to enable economy (Vault is required)
  enable: true
  # The cost to create a team
  team-create: 100.0

You need to reset your messages file. Otherwise you can add this at the end of the file:

not-enough-money: "&3You don't have enough money for this action. Required balance is: &6%MONEY%"

do not directly update from v3.xx, check the changelog from v4.0 This version can be considered production-ready.