[MacPorts] #59260: sudo port upgrade outdated generates multiple errors

[MacPorts]

#59260: sudo port upgrade outdated generates multiple errors
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  Reporter:  PaxVobiscuit  |      Owner:  (none)
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.6.1
Resolution:                |   Keywords:
      Port:                |
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Comment (by jmroot):

 Looks like you don't have a PortIndex? Have you run `port sync` after
 installing?

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Ticket URL: <https://trac.macports.org/ticket/59260#comment:2>
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