[MacPorts] #71339: sudo port upgrade outdated fails: Error: Unable to open port: can't read "configure.compiler" ...

[MacPorts]

#71339: sudo port upgrade outdated fails: Error: Unable to open port: can't read
"configure.compiler" ...
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  Reporter:  infostud  |      Owner:  (none)
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.10.4
Resolution:            |   Keywords:
      Port:            |
-----------------------+--------------------

Comment (by jmroot):

 Also could you please provide debug output (`-d` option) which includes a
 backtrace showing exactly where the error is being thrown?

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Ticket URL: <https://trac.macports.org/ticket/71339#comment:2>
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