[MacPorts] #69173: port fails to upgrade itself

[MacPorts]

#69173: port fails to upgrade itself
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  Reporter:  mouse07410  |      Owner:  mouse07410
      Type:  defect      |     Status:  closed
  Priority:  Normal      |  Milestone:
 Component:  base        |    Version:  2.9.0
Resolution:  invalid     |   Keywords:
      Port:              |
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Comment (by mouse07410):

 @Ken, I would agree if Macports gave an unambiguous clear error message
 pointing at the problem.

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Ticket URL: <https://trac.macports.org/ticket/69173#comment:12>
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