Using Max 2010 (12.0 SP1) with Frost 1.1.0.
Got a reproducible crash here when adding a TP system with active data channels to Frost.
I was attempting to manually define a ShapeIndex channel in TP to control geometry proxy list distribution, but it also seems to be present with any data channel.
No difference in behavior if integers or floats are set as data channel type or if they are mixed and matched. No difference with applying data channels to individual groups or all groups.
2010 scene file is attached. Thinking particles is in the scene with data channels activated. Selecting the TP system in Frost will produce the issue.
CZ
frost_TP_ShapeIndex03.max (204 KB)