/cast [button:2] Nature's Swiftness; [help, combat] Healing Wave; [help, nocombat] Healing Wave;
 
  /cast [button:2] Nature's Swiftness; [help, combat] Healing Wave; [help, nocombat] Healing Wave;
 
  [target=targettarget, help, combat] Healing Wave; [target=player] Healing Wave
 
  [target=targettarget, help, combat] Healing Wave; [target=player] Healing Wave
Exception encountered, of type "Error"