About my spell

[Cocobo]

Hi all i want ask you about this my 1st spell and i very confuse what is the wrong?? the ball didn't move forward

• Lightning Ball Begin
  • Events
    • Unit - A unit Starts the effect of an ability
  • Conditions
    • (Ability being cast) Equal to Lightning Path
  • Actions
    • If (All Conditions are True) then do (Then Actions) else do (Else Actions)
      • If - Conditions
        • LP_Integer[1] Equal to 0
      • Then - Actions
        • Trigger - Turn on Lightning Ball Move <gen>
      • Else - Actions
    • Set LP_Integer[1] = (LP_Integer[1] + 1)
    • Set LP_Integer[2] = (LP_Integer[2] + 1)
    • Set LP_Caster[LP_Integer[2]] = (Triggering unit)
    • Set LP_Location = (Position of LP_Caster[LP_Integer[2]])
    • Set LP_Location2 = (Target point of ability being cast)
    • Set LP_Angle[LP_Integer[2]] = (Angle from LP_Location to LP_Location2)
    • Set LP_Tick[LP_Integer[2]] = 21
    • Unit - Create 1 Lightning Ball Dummy for (Owner of LP_Caster[LP_Integer[2]]) at LP_Location facing Default building facing degrees
    • Set LP_Dummy[LP_Integer[2]] = (Last created unit)
    • Set LP_DummyPoint = (Position of LP_Dummy[LP_Integer[2]])
    • Lightning - Create a Forked Lightning lightning effect from source LP_Location to target LP_DummyPoint
    • Set LP_Lightning[LP_Integer[2]] = (Last created lightning effect)
    • Custom script: call RemoveLocation ( udg_LP_Location2 )
    • Custom script: call RemoveLocation ( udg_LP_DummyPoint )

and

• Lightning Ball Move
  • Events
    • Time - Every 0.03 seconds of game time
  • Conditions
  • Actions
    • For each (Integer LP_Integer[3]) from 1 to LP_Integer[2], do (Actions)
      • Loop - Actions
        • Set LP_DummyPoint = (Position of LP_Dummy[3])
        • Set LP_Location2 = (LP_DummyPoint offset by 50.00 towards LP_Angle[LP_Integer[3]] degrees)
        • Unit - Move LP_Dummy[LP_Integer[3]] instantly to LP_Location2
        • Lightning - Move LP_Lightning[LP_Integer[3]] to source LP_Location and target LP_DummyPoint
        • Set LP_Strike[LP_Integer[3]] = (Units within 125.00 of LP_DummyPoint matching ((((Matching unit) is A structure) Equal to False) and ((((Matching unit) is Magic Immune) Equal to False) and ((((Matching unit) is alive) Equal to True) and ((((Matching unit) belongs to an enemy of (Owner of L
        • Unit Group - Pick every unit in LP_Strike[LP_Integer[3]] and do (Actions)
          • Loop - Actions
            • Unit - Create 1 Lightning Ball Dummy Slower for (Owner of LP_Caster[LP_Integer[3]]) at LP_DummyPoint facing Default building facing degrees
            • Unit - Hide (Last created unit)
            • Unit - Order (Last created unit) to Human Sorceress - Slow (Picked unit)
            • Unit - Add a 2.00 second Generic expiration timer to (Last created unit)
            • Special Effect - Create a special effect at (Position of (Picked unit)) using Abilities\Weapons\Bolt\BoltImpact.mdl
            • Special Effect - Destroy (Last created special effect)
            • Unit - Cause LP_Caster[LP_Integer[3]] to damage (Picked unit), dealing (75.00 x (Real((Level of Lightning Path for LP_Caster[LP_Integer[3]])))) damage of attack type Spells and damage type Normal
            • Unit Group - Add (Picked unit) to LP_NonStrike[LP_Integer[3]]
        • Special Effect - Create a special effect at LP_DummyPoint using Abilities\Weapons\Bolt\BoltImpact.mdl
        • Special Effect - Destroy (Last created special effect)
        • Custom script: call RemoveLocation ( udg_LP_DummyPoint )
        • Custom script: call RemoveLocation ( udg_LP_Location2 )
        • Custom script: call DestroyGroup ( udg_LP_Strike[udg_LP_Integer[3]] )
        • Set LP_Tick[LP_Integer[3]] = (LP_Tick[LP_Integer[3]] - 1)
        • If (All Conditions are True) then do (Then Actions) else do (Else Actions)
          • If - Conditions
            • LP_Tick[LP_Integer[3]] Equal to 0
          • Then - Actions
            • Unit - Kill LP_Dummy[LP_Integer[3]]
            • Lightning - Destroy LP_Lightning[LP_Integer[3]]
            • Unit Group - Remove all units from LP_NonStrike[LP_Integer[3]]
            • Trigger - Turn off (This trigger)
          • Else - Actions

This is my spell 1st it's didn't MUI and i want to make it MUI but i can't it's always error