Forum Thread: Problem with Nmap

Hi,
I've installed kali linux on an virtualBox virtual machine an tried no
nmap
my problem ist that when i try
"nmap -sS -oA nmap/hosts --stylesheet=nmap.xsl --open reason 192.168.1.1-254"
i get the error message
"Failed to open normal output file nmap/hosts.nmap for writing
QUITTING"
What can i do to solve this problem ?