OnActivate Event Wont Work

[Crazyman32]

I am trying to make a big build become fakekilled via Onactivate events, but I keep getting a message saying

Too many events at once!
          (OnActivate)

I just need to know where to go to fix this, and what numbers to change.

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[slimabob]

Advanced Config on the "start a game" menu.

[Crazyman32]

Advanced Config on the "start a game" menu.

What is it named as, I looked there and I found nothing.