Problems installing DragonFly BSD 6.2.1

[Jonathan Drews]

DragonFly BSD 6.2.1
Hi Folks:
 
I can't get the installer to run. I get the following error messages after typing "installer"

grep: invalid option -- q
grep: stack overflow
Starting Installer. Reading /etc/pfi.conf ...
grep: Invalid option -- 'w'
grep: stack overflow
grep: invalid option -- 'q'
grep: stack overflow
dfuibe_installer:
Welcome to DragonFly!

I am attempting to install on a Lenovo T440 Thinkpad with 8 GB of ram. I have
Legacy and UEFI enabled in the BIOS. 

What am I doing wrong here?

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