help me

[jmohta]

550 error i m not able to access public_html i m not able to make dir in it not able to access my ftp address not able to access rename wht i do i got always error error 550 no such a file or directory

[Sai]

tell more info or submit your domain name to support...

[nine]

you didn't change permissions on public_html by any chance, did you?