i thought enable_friction is meant for physics objects? this really confuses me. a quote from the manual:

Quote:

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EVENT_friction
entity.enable_friction

If a physics entity collides with another model, the physics entity will receive this event. TARGET and NORMAL are set to point of impact and hit surface normal, respectively. If two physics entities collide, each will receive an EVENT_FRICTION

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did you use enable_friction recently? the keyword seems to be unknown. this is really strange!