Need a Help! Why V-ray can't be used in this file

I try to render one file but V-ray said blew,

I can use V-ray at any other skp file but not this one.

Help me~
Tomorrow is my ddl~~

Thank you

My first question would be:

“What is the name of the model?”

Second, before rendering, I suggest to clean up the file a little:

[menu]Window->Model Info->Statistics->Purge

Ate there more/other informations in the mentioned log file?