Build error on Ubuntu 19.04

[thibaudk]

Attempted with commit 211374c
score commit 211374c
libossia commit d217551e9148309f675adc3ad8598a703d3bda74

neither "QWidget", "PannelStatus" and "MaybeDocument" are known types in
Network/Group/Panel/GroupPanelDelegate.hpp

here is the error log

[ 73%] Building CXX object src/addons/iscore-addon-network/CMakeFiles/score_addon_network.dir/Network/Group/Panel/GroupPanelDelegate.cpp.o
/home/scrime/Documents/repos/score/src/addons/iscore-addon-network/Network/Group/Panel/GroupPanelDelegate.cpp: In constructor ‘Network::PanelDelegate::PanelDelegate(const score::GUIApplicationContext&)’:
/home/scrime/Documents/repos/score/src/addons/iscore-addon-network/Network/Group/Panel/GroupPanelDelegate.cpp:26:69: error: no matching function for call to ‘score::PanelDelegate::PanelDelegate()’
 PanelDelegate::PanelDelegate(const score::GUIApplicationContext& ctx)
                                                                     ^
In file included from /home/scrime/Documents/repos/score/src/addons/iscore-addon-network/Network/Group/Panel/GroupPanelDelegate.hpp:2,
                 from /home/scrime/Documents/repos/score/src/addons/iscore-addon-network/Network/Group/Panel/GroupPanelDelegate.cpp:1:
/home/scrime/Documents/repos/score/src/lib/score/plugins/panel/PanelDelegate.hpp:55:3: note: candidate: ‘score::PanelDelegate::PanelDelegate(const score::GUIApplicationContext&)’
   PanelDelegate(const score::GUIApplicationContext& ctx);
   ^~~~~~~~~~~~~
/home/scrime/Documents/repos/score/src/lib/score/plugins/panel/PanelDelegate.hpp:55:3: note:   candidate expects 1 argument, 0 provided
/home/scrime/Documents/repos/score/src/lib/score/plugins/panel/PanelDelegate.hpp:52:29: note: candidate: ‘constexpr score::PanelDelegate::PanelDelegate(const score::PanelDelegate&)’
 class SCORE_LIB_BASE_EXPORT PanelDelegate
                             ^~~~~~~~~~~~~
/home/scrime/Documents/repos/score/src/lib/score/plugins/panel/PanelDelegate.hpp:52:29: note:   candidate expects 1 argument, 0 provided
/home/scrime/Documents/repos/score/src/addons/iscore-addon-network/Network/Group/Panel/GroupPanelDelegate.cpp: In member function ‘virtual const score::PanelStatus& Network::PanelDelegate::defaultPanelStatus() const’:
/home/scrime/Documents/repos/score/src/addons/iscore-addon-network/Network/Group/Panel/GroupPanelDelegate.cpp:43:63: error: no matching function for call to ‘score::PanelStatus::PanelStatus(<brace-enclosed initializer list>)’
                                          QObject::tr("Ctrl+G")};
                                                               ^
In file included from /home/scrime/Documents/repos/score/src/addons/iscore-addon-network/Network/Group/Panel/GroupPanelDelegate.hpp:2,
                 from /home/scrime/Documents/repos/score/src/addons/iscore-addon-network/Network/Group/Panel/GroupPanelDelegate.cpp:1:
/home/scrime/Documents/repos/score/src/lib/score/plugins/panel/PanelDelegate.hpp:25:3: note: candidate: ‘score::PanelStatus::PanelStatus(bool, bool, Qt::DockWidgetArea, int, QString, const QKeySequence&)’
   PanelStatus(
   ^~~~~~~~~~~
/home/scrime/Documents/repos/score/src/lib/score/plugins/panel/PanelDelegate.hpp:25:3: note:   candidate expects 6 arguments, 5 provided
/home/scrime/Documents/repos/score/src/lib/score/plugins/panel/PanelDelegate.hpp:23:30: note: candidate: ‘score::PanelStatus::PanelStatus(const score::PanelStatus&)’
 struct SCORE_LIB_BASE_EXPORT PanelStatus
                              ^~~~~~~~~~~
/home/scrime/Documents/repos/score/src/lib/score/plugins/panel/PanelDelegate.hpp:23:30: note:   candidate expects 1 argument, 5 provided
/home/scrime/Documents/repos/score/src/lib/score/plugins/panel/PanelDelegate.hpp:23:30: note: candidate: ‘score::PanelStatus::PanelStatus(score::PanelStatus&&)’
/home/scrime/Documents/repos/score/src/lib/score/plugins/panel/PanelDelegate.hpp:23:30: note:   candidate expects 1 argument, 5 provided
At global scope:
cc1plus: warning: unrecognized command line option ‘-Wno-four-char-constants’
make[2]: *** [src/addons/iscore-addon-network/CMakeFiles/score_addon_network.dir/build.make:526: src/addons/iscore-addon-network/CMakeFiles/score_addon_network.dir/Network/Group/Panel/GroupPanelDelegate.cpp.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:4571: src/addons/iscore-addon-network/CMakeFiles/score_addon_network.dir/all] Error 2
make: *** [Makefile:163: all] Error 2