Save an active csv file into a given directory

Hello,
I have an active .csv workbook;
I want to save it as an excel file in a given directory.
I am trying this script:

filepath = "C:\Users\RA\Desktop"
ActiveWorkbook.SaveAs chr(34) & FilePath & "\TAEFF\G F D.xlsx" & chr(34)

I am getting a Run-time error 1004
What is wrong here?
Thanks