need help to fix this trigger.

[rax_7]

i cant get the gate open

Open Arena Gate

    Events
        Unit - A unit enters Area gate <gen>
    Conditions
        (Triggering unit) Equal to Leader (Evil) 0141 <gen>
        (Triggering unit) Equal to Assassin 0005 <gen>
        (Triggering unit) Equal to Berserker 0011 <gen>
        (Triggering unit) Equal to Cleric 0004 <gen>
        (Triggering unit) Equal to Defender 0137 <gen>
        (Triggering unit) Equal to Elementalist 0010 <gen>
        (Triggering unit) Equal to Rogue 0218 <gen>
        (Triggering unit) Equal to Stunner 0003 <gen>
        (Triggering unit) Equal to Summoner 0023 <gen>
        (Triggering unit) Equal to Supporter 0154 <gen>
        (Triggering unit) Equal to Warrior 0032 <gen>
    Actions
        Wait 1.00 seconds
        Destructible - Open City Entrance 0041 <gen>
        Trigger - Turn off (This trigger)

 

[Exide]

For this trigger you need ALL the units that you stated in the conditions to enter the region.
I'm not sure if that can be done, even.

Try putting a 'Or, multiple conditions' at the top, and add your conditions into it.