[MacPorts] #56619: I ran "sudo port selfupdate" and now I cannot install any ports without an error

[MacPorts]

#56619: I ran "sudo port selfupdate" and now I cannot install any ports without an
error
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  Reporter:  JulioDavidMartinez  |      Owner:  (none)
      Type:  defect              |     Status:  new
  Priority:  High                |  Milestone:
 Component:  base                |    Version:  2.5.2
Resolution:                      |   Keywords:
      Port:                      |
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Comment (by raimue):

 Can you attach a `main.log` showing the error? On which version of macOS
 are you? Does `/usr/include` exist on your system?

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Ticket URL: <https://trac.macports.org/ticket/56619#comment:1>
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