Error occured reading /usr/local/etc/pkgtools.conf

[Noah]

Any clues on what is happening here.  Is there a way to fix the 
complaint below?

# portmanager -u -y
** Error occured reading /usr/local/etc/pkgtools.conf:
        undefined method `x11base' for nil:NilClass
** Error occured reading /usr/local/etc/pkgtools.conf:
        undefined method `x11base' for nil:NilClass
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portmanager 0.4.1_8: Collecting installed port data
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