You were right Greg. I had a similiar problem and in my case all I had to do was to go to the save tab in render settings. I found the path I wanted to save my file to and it seems as if the problem was that C4D would automatically populate the project name as the destination folder. See example :
/Volumes/G-DRIVE/Jae Mac “She Wanna” Video/After Effects/C4D/project file
all i had to do was erase that “project file” and it rendered fine!
File…../Volumes/G-DRIVE/Jae Mac “She Wanna” Video/After Effects/C4D
Obviously it has to render to a folder not a file… duh..
Hope that helps anyone
Chief Creative Officer
Painted Black Visuals
iMac * Intel Core i3 * 3.06 GHz * ATI Radeon 4670* 4670 FCP 7 * AE CS5 * C4D R12 *