PDF error - says document is bigger that 200in x 200in limit

We're having periodic errors while "saving-as" drawings topdf's in SW ('08 sp3.1).

Things work fine for 5-10 pdf's but then SW comes back and says ourdocument is larger that the 200in x 200in limit.

Has anyone else has this problem?

The machines are new 64-bit, and have PDM-E, also.SolidworksGeneral