“Bad file number” Error when Running winstlcf

On running the "winstlcf -g <ip gw> <ep_label>" command I get the following output:

connect: Bad file number
connect: Bad file number
Could not rexec on host <ep_label>

LCF Install failed for the following machines: (see lcfhost.err) <ep_label>

Contributed By: Gary Hamilton
This is probably being returned by the socket creation function in the perl script. A socket in perl is handled just like a file, so it uses a file handle to manipulate the socket. If the creation of the socket failed you could get this error.