make menuconfig error

when I use make menuconfig on the /usr/src/linux directory which linux was symbolic link to /usr/src/linux-2.4.3 , I can see menu , but when I press space or enter key will exit menu and show follow message :

Menuconfig has encountered a possible error in one of the kernel's configuration files and is unable to continue. Here is the error report:

Q> scripts/Menuconfig: MCmenu11: command not found

Please report this to the maintainer <[email protected]>. You may also send a problem report to <[email protected]>.

Please indicate the kernel version you are trying to configure and which menu you were trying to enter when this error occurred.

make: *** [menuconfig] Error 1
[root@bk linux]#

do you know how to fix it .