Heal won't work

[Pekisa7]

Hello it's Pekisa7. I've recently did what Astral_JG told me to do about my heal abillty I've changed it instead of tranquillty to roar and when I click the abillty in my death tower it dosen't work the roar abillty in this case dark heal won't activate. Can somone help me fix the abillty? Best regards from Pekisa7.

• Heal
  • Events
    • Unit - A unit Starts the effect of an ability
  • Conditions
    • (Ability being cast) Equal to Dark Heal (Death Tower)
  • Actions
    • Set TemPoint = (Position of (Triggering unit))
    • Unit - Create 1 DummyGhoul for Player 4 (Purple) at TemPoint facing Default building facing degrees
    • Unit - Add Dark Heal (Death Tower) to (Last created unit)
    • Unit - Order (Last created unit) to Special Rexxar - Battle Roar
    • Unit - Add a 10.00 second Generic expiration timer to (Last created unit)
    • Custom script: call RemoveLocation(udg_Temp_Point1)