1. multipass cannot be set to output any type of movie format, only image sequences are allowed
2. project frame rates and render settings frame rates must be the same

3. Textures that are missing (or uploaded with absolute paths) will render sucessfully, yet not output anything. Be sure to have all files uploaded and wipe out any absolute paths if applicable.

4. all textures must have been imported to the "tex" directory during material setup
5. GI irradiance cache file autosave must be disabled
6. Quicktime movies for textures cannot run in 64bit versions of C4D
   always better to use image sequences for moving textures

7. 64Bit does not support .PNG File Types.