problem with Zenmap

["dancer581 () sbcglobal net" <dancer581 () sbcglobal net>]

I'm using Ubuntu: Linux asus 2.6.28-4-generic #9-Ubuntu SMP Tue Jan 6 
19:34:01 UTC 2009 i686 GNU/Linux
Zenmap 4.68
Nmap 4.68

I have this in scan_profile.usp

[Fast Scan]
description =
hint =
options = Ping scanning
command = nmap -sP -iL /root/.zenmap/target_list.txt %s
annotation =

When I execute it this way I get: "An unexpected error occurred!"
If I take away the %s from command then when I try to change the profile 
to Fast Scan it does not change the command line

If I use "nmap -sP -iL /root/.zenmap/target_list.txt" in terminal it 
works without a problem
I get this:
Starting Nmap 4.68 ( http://nmap.org ) at 2009-01-11 20:04 EST
Host 192.168.1.1 appears to be up.
Host 192.168.1.3 appears to be up.
Host 192.168.1.5 appears to be up.
Host 192.168.1.11 appears to be up.
Nmap done: 20 IP addresses (4 hosts up) scanned in 0.306 seconds


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