anyone know how to solve 9.24version run as FTP server?

Hi all,
anyone know how to solve this problem? i wan 9.24version to run FTP sever program “\DCRABBIT_9.24\Samples cpip\ftp\FTP_FS2” but it always give mi this error below,

“Initalizing file system. please wait…
Could not initialize filesystem, error number 28”

I using RCM3365 Board… please someone help mi…
Thank…