Trigger will simply not work

[Outbreak191]

This trigger used to work but it just suddenly stopped. I have recreated it infinite times and it seems to defy all logic by not working no matter what. Its meant to make a unit forget an ability if he drops the item providing it before the ability is level 11 but currently he keeps the ability no matter what. The variables are controlled with an array each and items providing the ability will have the same number as the ability it provides. Here is the trigger:

Unlearn Item Ability 2 Copy
    Events
        Unit - A unit Loses an item
    Conditions
    Actions
        Custom script:   local unit udg_hero
        Custom script:   local item udg_drop
        Set hero = (Hero manipulating item)
        Set drop = (Item being manipulated)
        Wait 0.50 seconds
        For each (Integer B) from 1 to 13, do (Actions)
            Loop - Actions
                If (All Conditions are True) then do (Then Actions) else do (Else Actions)
                    If - Conditions
                        Ability_Item[(Integer B)] Equal to (Item-type of drop)
                    Then - Actions
                        For each (Integer A) from (((Player number of (Owner of hero)) x 8) + 1) to (((Player number of (Owner of hero)) x 8) + 6), do (Actions)
                            Loop - Actions
                                If (All Conditions are True) then do (Then Actions) else do (Else Actions)
                                    If - Conditions
                                        Hero_Learning_Ability[(Integer A)] Equal to Class_Ability[(Integer B)]
                                    Then - Actions
                                        Set Ability_Enabled[(Integer A)] = False
                                    Else - Actions
                        If (All Conditions are True) then do (Then Actions) else do (Else Actions)
                            If - Conditions
                                (Level of Class_Ability[(Integer B)] for hero) Less than or equal to 10
                            Then - Actions
                                Player - Disable Class_Ability[(Integer B)] for (Owner of hero)
                            Else - Actions
                    Else - Actions
        Custom script:   set udg_hero = null
        Custom script:   set udg_drop = null

Don't comment on the whole cheap JASS thing, when I get this to work I'm gonna convert it to jass to make it properly MUI.