[MacPorts] #62751: base: Error: Unable to open port: wrong # args: should be "set varName ?newValue?" on random ports

[MacPorts]

#62751: base: Error: Unable to open port: wrong # args: should be "set varName
?newValue?"  on random ports
------------------------+--------------------
  Reporter:  snowflake  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  base       |    Version:  2.6.99
Resolution:             |   Keywords:
      Port:             |
------------------------+--------------------
Changes (by snowflake):

 * Attachment "log1.txt" added.

 log of sudo port -d upgrade outdated

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Ticket URL: <https://trac.macports.org/ticket/62751>
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