Apt missing nmap prereq

manually installed nmap to fix this.
root@syslog:~# apt install nmap

ExecuteOS failed to start command: exec: “nmap”: executable file not found in $PATH

root@syslog:~# uname -a
Linux syslog 4.19.0-13-amd64 #1 SMP Debian 4.19.160-2 (2020-11-28) x86_64 GNU/Linux
root@syslog:~# cat /etc/debian_version 

root@syslog:~# apt-get install siff-collector 
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following NEW packages will be installed:


SIFF no longer requires NMAP. I uses its own built-in port scanner to discover devices to be managed.