RH7 - Cut problem

can anyone tell me whre is problem?
Is not possible to cut simple polysurface (solid).
I am trying cut solid with plane - see file. After end command will solid disappear and in other scene Rhino crash after cut commnad use…
cut_problem.3dm (340.9 KB)

Hello -I believe that is this bug:
RH-64587 Trimming Surfaces → Rhino Closes, No Error

if you are getting release candidates (Options > Updates and statistics page) you should be able to update to a fixed version.


fix after latest RC - thank you!