Wierd error message

scope COL

private function Callback takes nothing returns nothing
local timer t = GetExpiredTimer()
local unit u = GetHandleUnit((t), "paused")

call UnitPauseTimedLife(u,false)
call FlushHandleLocals(t)
call PauseTimer(t)
call DestroyTimer(t)
endfunction


private function Filter takes nothing returns boolean
return  GetUnitAbilityLevel(GetFilterUnit(), B04P) > 0
endfunction


private function Actions takes nothing returns nothing

local group g = CreateGroup() 
local unit u
local rect r = GetPlayableMapRect() 
local timer t = CreateTimer()

set g =  GroupEnumUnitsInRect(g, r, Condition(function Filter))

loop
set u = FirstOfGroup(g)
exitwhen u == null
    call SetWidgetLife(u, life, GetWidgetLife(u, life) +1 )
    call GroupRemoveUnit(g, u)
    
    if IsUnitType(u, UNIT_TYPE_SUMMONED) == true  then 
            call TimerStart(t,45., false, function Callback)
            SetHandleHandle(t, "paused", u)
    endif
endloop


//===========================================================================
function InitTrig_COL takes nothing returns nothing
    set gg_trg_COL = CreateTrigger(  )
    call TriggerRegisterTimerEventPeriodic( gg_trg_COL, 1.00 )
    call TriggerAddAction( gg_trg_COL, function Actions )
endfunction

endscope

function InitTrig_COL takes nothing returns nothing

public function InitTrig_COL takes nothing returns nothing 

private function InitTrig_COL takes nothing returns nothing

endfunction

private function Actions takes nothing returns nothing

scope MyTriggerScope initializer InitScope
    //...
    private function InitScope takes nothing returns nothing
        set gg_trg_+SCOPE_PREFIX = CreateTrigger
        //Other trigger init things...
    endfunction
endscope