Ошибка в коде

scope StormHammer

    globals
        public    constant    integer      ABILITY_ID                             =    'A019'
        public    constant    integer      THUNDERCLAP_ID                         =    'A00K'
        public    constant    string       THUNDERCLAP_ORDER                      =    "thunderclap"
        public    constant    string       EFFECT_PATH                            =    "Abilities\\Spells\\Human\\Thunderclap\\ThunderClapCaster.mdl"
        public    constant    string       LIGHTNING_NAME                         =    "CLPB"
        public    constant    real         LIGHTNING_HEIGHT                       =    9900.0
        public    constant    real         LIGHTNING_LIFE_TIME                    =    0.1
    endglobals

    globals
        public    constant    group       enumUnits           =    CreateGroup()
        public                boolexpr    boolexprForGroup    =    null
    endglobals

    public function Conditions takes nothing returns boolean
        local integer abilityLevel    = GetUnitAbilityLevel( GetAttacker(), ABILITY_ID )
        local real    currentMana     = GetUnitState( GetAttacker(), UNIT_STATE_MANA )
        local real    abilityManaCost = GetAbilityManaCost( ABILITY_ID, abilityLevel )

        local boolean a = ( abilityLevel >= 1 )
        local boolean b = ( currentMana >= abilityManaCost )
        local boolean c = ( not IsAbilityOnCooldown( GetUnitAbility( GetAttacker(), ABILITY_ID ) ) )

        return ( a ) and ( b ) and ( c )
    endfunction

    public function GroupCallback takes nothing returns boolean
        local unit   filterUnit         = GetFilterUnit()
        local unit   attackingUnit      = bj_lastCreatedUnit
        local player attackingUnitOwner = bj_groupEnumOwningPlayer

        local boolean a = not IsUnitType(filterUnit, UNIT_TYPE_STRUCTURE)
        local boolean b = IsUnitEnemy(filterUnit, attackingUnitOwner)
        local boolean c = GetWidgetLife(filterUnit) > 0.405

        if ( a ) and ( b ) and ( c ) then
            call UnitDamageTarget( attackingUnit, filterUnit, 125.0, false, false, ATTACK_TYPE_NORMAL, DAMAGE_TYPE_MAGIC, null )
        	call CreateFloatingTextTag( null, FLOATING_TEXTTAG_CRITICAL_STRIKE, R2I( 125.0 ), GetUnitX( filterUnit ), GetUnitY( filterUnit ) )
        endif
        
        set filterUnit    = null
        set attackingUnit = null

        return false
    endfunction

    public function Actions takes nothing returns nothing
        local unit    victim          = GetTriggerUnit()
        local unit    attacker        = GetAttacker()

        local real    victimZ         = GetUnitFlyHeight(victim)
        local real    victimX         = GetUnitX(victim)
        local real    victimY         = GetUnitY(victim)

        local integer abilityLevel    = GetUnitAbilityLevel( attacker, ABILITY_ID )
        local integer abilityManaCost = GetAbilityManaCost( ABILITY_ID, abilityLevel )
        local real    abilityCooldown = GetAbilityDataCooldown( GetUnitAbility( attacker, ABILITY_ID ), abilityLevel )

        local real    newManaState    = GetUnitState( attacker, UNIT_STATE_MANA ) - abilityManaCost

        call IssueImmediateOrder( attacker, "stop" )

        call StartAbilityCooldown( attacker, ABILITY_ID, abilityCooldown )
        call SetUnitState( attacker, UNIT_STATE_MANA, newManaState )

        set bj_lastCreatedUnit       = attacker
        set bj_groupEnumOwningPlayer = GetOwningPlayer(attacker)

        call GroupEnumUnitsInRange( enumUnits, victimX, victimY, 675.0, boolexprForGroup )

//      call GroupClear(enumUnits)
        set bj_lastCreatedUnit       = null
        set bj_groupEnumOwningPlayer = null

        call CreateLightningTimed( LIGHTNING_NAME, true, victimX, victimY, LIGHTNING_HEIGHT, victimX, victimY, victimZ, LIGHTNING_LIFE_TIME )
        call CasterCastAbilityImmediate( GetOwningPlayer(attacker), victimX, victimY, victimZ, THUNDERCLAP_ID, 1, THUNDERCLAP_ORDER )
        call DestroyEffect( AddSpecialEffect( EFFECT_PATH, victimX, victimY ) )

        set victim        = null
        set attacker      = null
    endfunction

endscope

function InitTrig_StormHammer takes nothing returns nothing
    call PreloadAbility  ( StormHammer_ABILITY_ID     )
    call PreloadAbility  ( StormHammer_THUNDERCLAP_ID )
    call PreloadEffect   ( StormHammer_EFFECT_PATH    )
    call PreloadLightning( StormHammer_LIGHTNING_NAME )

    set StormHammer_boolexprForGroup = Condition(function GroupCallback)
    set gg_trg_StormHammer = CreateTrigger()

    call TriggerRegisterAnyUnitEventBJ( gg_trg_StormHammer, EVENT_PLAYER_UNIT_ATTACKED )
    call TriggerAddCondition( gg_trg_StormHammer, Condition( function StormHammer_Conditions ) )
    call TriggerAddAction( gg_trg_StormHammer, function StormHammer_Actions )
endfunction