Failure of plane creation
 

Hi All,

I tried to create a section plane in order to show velocity vector on it. I tried rotating a known surface to create it, failed; then I defined the coordinates of 3 point to create it, still fail. The error message says
Error: MEMV: invalid argument [2]: improper list
Error Object: theorem

It is really strange. Does anybody encounter this problem before? Please help.

Btw, element number of meshing of this case is quite large, more than 8 million. Could the large element number be a reason?