ERROR WHILE LOADING DEFAULT LVL MOD

ERROR:
[08:53:04] [Server thread/ERROR]: [MythicMobs] Error calculating Damage Level Modifier: Default configuration is bad.
[08:53:04] [Server thread/ERROR]: [MythicMobs] Error calculating Health Level Modifier: Default configuration is bad.
[08:53:04] [Server thread/ERROR]: [MythicMobs] Error calculating Power Level Modifier: Default configuration is bad.
[08:53:04] [Server thread/ERROR]: [MythicMobs] Error calculating Armor Level Modifier: Default configuration is bad.
[08:53:04] [Server thread/ERROR]: [MythicMobs] Error calculating KBR Level Modifier: Default configuration is bad.
CONFIG:
    DefaultLevelModifiers:
      Health: 5
      Armor: 1
      Damage: 3
      KnockbackResistance: 0.05
      Power: 0.2