[MacPorts] #71478: Port complains: 'Error: process_cmd failed: key "version" not known in dictionary'

[MacPorts]

#71478: Port complains: 'Error: process_cmd failed: key "version" not known in
dictionary'
------------------------+--------------------
  Reporter:  ballapete  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  base       |    Version:  2.10.5
Resolution:             |   Keywords:
      Port:             |
------------------------+--------------------

Comment (by ryandesign):

 Show all the output that `port -d outdated` produces; with luck, that will
 include the backtrace.

-- 
Ticket URL: <https://trac.macports.org/ticket/71478#comment:3>
MacPorts <https://www.macports.org/>
Ports system for macOS