[Chimera-users] Surface not including all molecules?

Hello I'm trying to create a "cavity" model for visualization, I've done it before (a long time ago) and it worked great. But this time I'm having some problems. When trying with all molecules, I got some error regarding the calculation, so I split the model up into pieces and now it almost works. The problem I'm having is when I try creating a surface of one of the molecular species, I only get three "blobs" and not one big surface for all molecules. Any suggestions are most welcome. Don't know if it works, but I'll attach the PDB file for the molecules not being displayed as a surface properly.