[MacPorts] #60966: mpv @0.32.0: fails to play: Assertion failed: (group_index >= 0)

[MacPorts]

#60966: mpv @0.32.0: fails to play: Assertion failed: (group_index >= 0)
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  Reporter:  mrkapqa  |      Owner:  Ionic
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  mpv      |
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Comment (by mrkapqa):

 i am not sure if i have understood this correctly.

 "sudo port install mpv +debug -k" first and then the rest?

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Ticket URL: <https://trac.macports.org/ticket/60966#comment:8>
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