convert ensemble skill to Song

[kalabasa]

I'm trying to convert all ensemble skills like bragi im using import folder skill_db

did i do something wrong? because when i use @reloadskilldb the skills will grayed-out

  - Id: 307
    Name: BD_RICHMANKIM
    Description: Mental Sensing
    MaxLevel: 5
    Type: Misc
    TargetType: Self
    DamageFlags:
      NoDamage: true
    Flags:
      IsEnsemble: false
      IsSong: true
    Hit: Single
    HitCount: 1
    Duration1: 60000
    Duration2: 60000
    Requires:
      SpCost: 20
      Weapon:
        Musical: true
        Whip: true
    Unit:
      Id: Richmankim
      Layout: 4
      Interval: -1
      Target: Enemy
      Flag:
        NoPc: true
        Ensemble: false
        Song: true