NHF – new heroes for Heroes V 3.1.

The filter isn't the issue – you need to add a check for IsAIPlayer before displaying the message.

We used to play Armageddon's Blade with 6 people. IsAIPlayer wasn't implemented, but everything worked perfectly (and it still doesn't have it).

Added 14 minutes later
And if you see an error in a map or mod, don't stay silent.

Added 6 minutes later
I think testing with at least 3 players playing simultaneously will be necessary. Some triggers might lag in simultaneous play.