MassRepresentationProcessor cant be found

Hey guys, i run into a small issue
Grok tell me to do this:

Set Up for ISM in Mass:

  • In Project Settings > Mass Entity > Config > Processors: Ensure MassRepresentationProcessor is added (built-in; handles ISM).

But i cant find “MassRepresentationProcessor”

I can only find this in search:

Default__MassCrowdServerRepresentationLODProcessor
Default__MassCrowdServerRepresentationProcessor
Default__MassCrowdVisualizationProcessor
Default__MassLookAtProcessor
Default__MassStationaryISMSwitcherProcessor
Default__MassUpdateISMProcessor
Default__MassVisualizationProcessor

How or where do i activate MassRepresentationProcessor ?

It probably means MassVisualizationProcessor. It likely hallucinated that class name.