Your installation may not allow you to translate V5 documents into CCD format. CATIA V5 requires a CCD license to translate V5 documents into CCD format.
If you have a license and you still cannot translate V5 documents into CCD format, you may need to enter a system variable to establish the license relationships. The system variable should be entered at the Command Line and is:
DRW_CCDTOV5 = 1
Refer this section to your system administrator.