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I should add the full process from the start of the upgrade execise:
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<span style="font-variant-ligatures: no-common-ligatures" class="">sudo port upgrade outdated</span></div>
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<span style="font-variant-ligatures: no-common-ligatures" class="">---> Computing dependencies for gdbm</span></div>
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<span style="font-variant-ligatures: no-common-ligatures" class="">---> Fetching archive for gdbm</span></div>
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<span style="font-variant-ligatures: no-common-ligatures" class="">---> Attempting to fetch gdbm-1.16_0.darwin_17.x86_64.tbz2 from
<a href="http://nou.nc.packages.macports.org/pub/macports/packages.macports.org/gdbm" class="">
http://nou.nc.packages.macports.org/pub/macports/packages.macports.org/gdbm</a></span></div>
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<span style="font-variant-ligatures: no-common-ligatures" class="">---> Attempting to fetch gdbm-1.16_0.darwin_17.x86_64.tbz2.rmd160 from
<a href="http://nou.nc.packages.macports.org/pub/macports/packages.macports.org/gdbm" class="">
http://nou.nc.packages.macports.org/pub/macports/packages.macports.org/gdbm</a></span></div>
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<span style="font-variant-ligatures: no-common-ligatures" class="">---> Installing gdbm @1.16_0</span></div>
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<span style="font-variant-ligatures: no-common-ligatures" class="">---> Cleaning gdbm</span></div>
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<span style="font-variant-ligatures: no-common-ligatures" class="">---> Computing dependencies for gdbm</span></div>
<div style="margin: 0px; font-stretch: normal; font-size: 13px; line-height: normal; font-family: Monaco; color: rgb(244, 244, 244); background-color: rgba(0, 0, 0, 0.85098);" class="">
<span style="font-variant-ligatures: no-common-ligatures" class="">---> Deactivating gdbm @1.15_0</span></div>
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<span style="font-variant-ligatures: no-common-ligatures" class="">---> Cleaning gdbm</span></div>
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<span style="font-variant-ligatures: no-common-ligatures" class="">---> Activating gdbm @1.16_0</span></div>
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<span style="font-variant-ligatures: no-common-ligatures" class="">---> Cleaning gdbm</span></div>
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<span style="font-variant-ligatures: no-common-ligatures" class="">---> Computing dependencies for protobuf3-cpp</span></div>
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<span style="font-variant-ligatures: no-common-ligatures" class="">Error: Can't install protobuf3-cpp because conflicting ports are active: protobuf-cpp</span></div>
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<span style="font-variant-ligatures: no-common-ligatures" class="">Error: Problem while installing protobuf3-cpp</span></div>
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<span style="font-variant-ligatures: no-common-ligatures" class="">Error: Follow <a href="https://guide.macports.org/#project.tickets" class="">
https://guide.macports.org/#project.tickets</a> to report a bug.</span></div>
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<span style="font-variant-ligatures: no-common-ligatures" class="">MBP4:~ dcn</span></div>
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<div>DN</div>
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<div class="">On 22 Jul 2018, at 2:12 pm, David Nicholls <<a href="mailto:david.nicholls@anu.edu.au" class="">david.nicholls@anu.edu.au</a>> wrote:</div>
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<div class="">This occurred just now:</div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">sudo port upgrade outdated</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">---> Computing dependencies for protobuf3-cpp</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">Error: Can't install protobuf3-cpp because conflicting ports are active: protobuf-cpp</span></div>
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<span class="" style="font-variant-ligatures: no-common-ligatures;">Error: Problem while installing protobuf3-</span></div>
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<div class="">This is listed in several Ticket discussions from earlier this year but it's not obvious to me what to do to fix it </div>
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<div class="">Advice appreciated.</div>
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<div class="">DN</div>
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