Plugin error

MySQL:
  Host: localhost
  Port: 25565
  UseSSL: false
  Username: root
  Password: Password
  Database: friends
  TablePrefix: fr_
  Pool:
    InitialPoolSize: 3
    MinPoolSize: 3
    MaxPoolSize: 15
    IdleConnectionTestPeriod: 290
    TestConnectionOnCheckin: false
General:
  UseOwnLanguageFile: false
  CheckForUpdates: true
  Language: English
  Time:
    LanguageTag: US
    TimeZone: Europe/Brussels
    Format: dd/MM/yyyy HH:mm:ss
  PartyDoNotJoinTheseServers:
  - lobby
  - lobby1
  - lobby2
  DisabledServers:
  - login1
  - login2
  MaxPlayersInParty: 0
Extensions:
  UseExtensionFolderAsConfigFolder: false
Permissions:
  NoPlayerLimitForParties: ''
Commands:
  Friends:
    General:
      PrintOutHelpOnError: true
    TopCommands:
      Friend:
        Names:
        - friend
        - friends
        Permissions: ''
        Disabled: false
      Reply:
        Names:
        - reply
        - r
        Disabled: false
      MSG:
        Names:
        - msg
        - fmsg
        Disabled: false
        MSGNonFriendsPermission: de.simonsator.partyandfriends.msg.msgnonfriends
    SubCommands:
      Accept:
        Names:
        - accept
        - approve
        Permission: ''
        Priority: 3
      Add:
        Names:
        - add
        - addfriend
        Permission: ''
        Priority: 2
      Deny:
        Names:
        - deny
        - reject
        Permission: ''
        Priority: 4
      Jump:
        Names:
        - jump
        - jumpto
        Disabled: false
        Permission: ''
        Priority: 6
        DisabledServers:
        - login1
        - adminlobby1
      List:
        Names:
        - list
        - info
        Disabled: false
        Permission: ''
        Priority: 0
        SortElements: true
        EntriesPerPage: 10
      MSG:
        Names:
        - msg
        - message
        Disabled: false
        Permission: ''
        Priority: 1
        ReplyCommand: /friend msg [PLAYER]
      Remove:
        Names:
        - remove
        - deleteAccount
        Permission: ''
        Priority: 5
      Settings:
        Names:
        - setting
        - settings
        Disabled: false
        Permission: ''
        Priority: 7
        Settings:
          FriendRequest:
            Names:
            - friendrequest
            - receivefriendrequests
            - friendrequests
            Enabled: true
            Permission: ''
            Priority: 0
          Jump:
            Names:
            - jump
            - allowjump
            Enabled: true
            Permission: ''
            Priority: 1
          Offline:
            Names:
            - offline
            - alwaysoffline
            Enabled: true
            Permission: ''
            Priority: 2
          PM:
            Names:
            - pm
            - message
            - messages
            Enabled: true
            Permission: ''
            Priority: 3
          PartyInvite:
            Names:
            - invite
            - party
            Enabled: true
            Permission: ''
            Priority: 4
  Party:
    General:
      PrintOutHelpOnError: true
    TopCommands:
      Party:
        Names:
        - party
        - parties
        Permissions: ''
        Disabled: false
      PartyChat:
        Names:
        - partychat
        - p
        Permissions: ''
        Disabled: false
    SubCommands:
      Join:
        Names:
        - join
        - j
        Permissions: ''
        Priority: 0
        AutoJoinLeaderServer: true
      Invite:
        Names:
        - invite
        - add
        Permissions: ''
        Priority: 1
      Kick:
        Names:
        - kick
        - forcedleave
        Disabled: false
        Permissions: ''
        Priority: 6
      Info:
        Names:
        - info
        - list
        Disabled: false
        Permissions: ''
        Priority: 3
      Leave:
        Names:
        - leave
        - le
        Permissions: ''
        Priority: 5
      Chat:
        Names:
        - chat
        - message
        - msg
        ReplyCommand: chat
        Disabled: false
        Permissions: ''
        Priority: 4
      Leader:
        Names:
        - leader
        - lead
        Disabled: false
        Permissions: ''
        Priority: 7