Can't get windowmaker to work

[GMane]

When I run wmaker.inst I get messages like this:

WINGs error: error reading from file
'/home/robert/GNUstep/Defaults/WMGLOBAL': No error

and

<<<<
MenuTextFont=-*-helvetica-medium-r-normal-*-12-*-*-*-*-*-*-*WINGs error:
error reading from file '/home/robert/GNUstep/Defaults/WindowMaker'
: No error

When I start wmaker I get a dialog saying "Fatal error Window Maker received
signal 11"

Have I not installed something??