checked for duplicate keys?
; Make any changes or additions to the default AutoCAD command aliases in
; this section to ensure successful migration of these settings when you
; upgrade to the next version of AutoCAD. If a command alias appears more
; than once in this file, items in the User Defined Command Alias take
; precedence over duplicates that appear earlier in the file.
Shouldn't have to.
Another one
Command: CV Unknown command "CHAMFER". Press F1 for help.