[Need help] Idk why varible IndexingUnit return null

[btdonald]

library UnitData initializer init requires Table
/*
        This system requires:
    Table by Bribe:
            [url]http://www.hiveworkshop.com/forums/jass-resources-412/snippet-new-table-188084/[/url]

        API
                function Unit takes UnitData returns Unit by unit data
                        E: set u = Unit(12)
                                
                function GetUnitData takes unit returns UnitData
                        E: set ud = GetUnitData(u)
                        
                function IsUnitIndexed takes unit returns boolean
                
                function DeindexedUnit takes unit returns nothing
                        Remove unit data.
                
                function IndexUnit takes unit returns nothing
                        Add unit data
                        
                function RemoveEx takes unit returns nothing.
                        Remove both unit and unit data. Use instade of function RemoveUnit()
                        
                function MakeUnitPernament takes unit, boolean returns nothing
                        Make unit will/won't be removed and deindexed when decay.
                        
                function IsUnitPernament takes unit returns boolean
                
                function RegisterIndexEvent takes code returns nothing
                
                function RegisterDeindexEvent takes code returns nothing
                
*/

//! textmacro CreateUnitDataAbi takes RAWCODE
//! external ObjectMerger w3a AId1 $RAWCODE$ Idef 0 $VALUE$ anam "Unit Data Ability" aite 0 ansf ""
//! endtextmacro

//! runtextmacro("AUID")

globals
    Table       UnitData
                unit            IndexingUnit
    private     integer         udex = 0
    private     integer         abi = 'AUID'
    private     trigger         onIndex = CreateTrigger()
    private     trigger         onDeindex = CreateTrigger()
endglobals

function Unit takes integer dex returns unit
    return UnitData.unit[dex]
endfunction

function GetUnitData takes unit u returns integer
    return UnitData.integer[GetHandleId(u)]
endfunction

function IsUnitIndexed takes unit u returns boolean
    return GetUnitAbilityLevel(u,abi) != 0
endfunction

function MakeUnitPernament takes unit u, boolean b returns nothing
    set UnitData.boolean[GetUnitData(u)] = b
endfunction

function IsUnitPernament takes unit u returns boolean
    return UnitData.boolean[GetUnitData(u)]
endfunction

function DeindexUnit takes unit u returns nothing
    set IndexingUnit = null
    if (IsUnitIndexed(u) == true) then
        set IndexingUnit = u
        call UnitRemoveAbility(u,abi)
        set UnitData.unit[GetUnitData(u)] = UnitData.unit[udex]
        set UnitData.integer[GetHandleId(UnitData.unit[udex])] = GetUnitData(u)
        set UnitData.unit[udex] = null
        set udex = udex - 1
        call TriggerExecute(onDeindex)
    endif
endfunction

function RemoveUnitEx takes unit u returns nothing
    call DeindexUnit(u)
    call RemoveUnit(u)
endfunction

function IndexUnit takes unit u returns nothing
        set IndexingUnit = null
        if (IsUnitIndexed(u) == false) then
            set IndexingUnit = u
            set udex = udex + 1
            set UnitData.unit[udex] = u
            set UnitData.integer[GetHandleId(u)]=udex
            call UnitAddAbility(u,abi)
            call UnitMakeAbilityPermanent(u,true,abi)
            call DisplayTextToPlayer(GetLocalPlayer(),0,0,I2S(GetUnitData(u)))
            call TriggerExecute(onIndex)
        endif
endfunction

function RegisterIndexEvent takes code func returns nothing
        call TriggerAddAction(onIndex, func)
endfunction

function RegisterDeindexEvent takes code func returns nothing
        call TriggerAddAction(onDeindex, func)
endfunction

private function act takes nothing returns boolean
    local unit u = GetEnumUnit()
    call IndexUnit(u)
    return true
endfunction

private function enter takes nothing returns boolean
    local unit u = GetEnteringUnit()
    if IsUnitIndexed(u) == false then
        call IndexUnit(u)
    endif
    return true
endfunction

private function decay takes nothing returns boolean
    local unit u = GetDecayingUnit()
    if IsUnitPernament(u) == false then
        call RemoveUnitEx(u)
        return true
    else
        return false
    endif
endfunction

private function init takes nothing returns nothing
    local integer i
    local rect rct = GetWorldBounds()
    local region r = CreateRegion()
    call RegionAddRect(r,rct)
    set UnitData = Table.create()
    call TriggerRegisterEnterRegion(CreateTrigger(),r,Filter(function enter))
    for i = 0 to 15
        call GroupEnumUnitsOfPlayer(bj_lastCreatedGroup,Player(i),Filter(function act))
        call TriggerRegisterPlayerUnitEvent(CreateTrigger(),Player(i),EVENT_PLAYER_UNIT_DECAY,Filter(function decay))
    endfor
    set r = null
    set rct = null
endfunction

endlibrary

Anyone can help me

Demo map:
View attachment Unit Data.w3x

 

[Nestharus]

Wrong forum

Triggers & Scripts =)

I'll report to let moderator know to move it

 

[btdonald]

Wrong forum

Triggers & Scripts =)

I'll report to let moderator know to move it

Can u help me pls! I can't find the reason (