The error code comes from src/plugins/clangformat/clangformatplugin.cpp::157. Looking at the code it means that KEEP_LINE_BREAKS_FOR_NON_EMPTY_LINES_BACKPORTED is not defined, but I do not know where that should be defined.
Bug#939825: qtcreator: clang-format plugin broken
Lisandro Damián Nicanor Pérez Meyer Mon, 09 Sep 2019 11:45:55 -0700
- Bug#939825: qtcreator: clang-format ... Roman Lebedev
- Bug#939825: qtcreator: clang-fo... Lisandro Damián Nicanor Pérez Meyer
- Processed: Re: Bug#939825: ... Debian Bug Tracking System
- Bug#939825: qtcreator: clan... Lisandro Damián Nicanor Pérez Meyer
- Bug#939825: qtcreator: ... Roman Lebedev
- Bug#939825: qtcreat... Lisandro Damián Nicanor Pérez Meyer
- Bug#939825: qt... Lisandro Damián Nicanor Pérez Meyer
- Bug#939825... Adam Majer
- Processed: Re: Bug#939825: qtcr... Debian Bug Tracking System
- Bug#939825: Upstream bug Lisandro Damián Nicanor Pérez Meyer
- Processed: Upstream bug Debian Bug Tracking System
- Bug#939825: More info Lisandro Damián Nicanor Pérez Meyer
