error: ambiguous overload for ‘operator+’

FAILED: examples/opcua/opcuaviewer/CMakeFiles/opcuaviewer.dir/treeitem.cpp.o 
sccache /usr/bin/g++ -DQT_CORE_LIB -DQT_GUI_LIB -DQT_NAMESPACE=TestNamespace -DQT_NETWORK_LIB -DQT_OPCUA_LIB -DQT_WIDGETS_LIB -I/home/qt/work/qt/qtopcua_build/examples/opcua/opcuaviewer/opcuaviewer_autogen/include -I/home/qt/work/qt/qtopcua_build/include -I/home/qt/work/qt/qtopcua_build/include/QtOpcUa -isystem /home/qt/work/install/include/QtCore -isystem /home/qt/work/install/include -isystem /home/qt/work/install/mkspecs/linux-g++ -isystem /home/qt/work/install/include/QtGui -isystem /home/qt/work/install/include/QtNetwork -isystem /home/qt/work/install/include/QtWidgets -g -std=gnu++20 -fPIE -Wall -Wextra -fPIC -MD -MT examples/opcua/opcuaviewer/CMakeFiles/opcuaviewer.dir/treeitem.cpp.o -MF examples/opcua/opcuaviewer/CMakeFiles/opcuaviewer.dir/treeitem.cpp.o.d -o examples/opcua/opcuaviewer/CMakeFiles/opcuaviewer.dir/treeitem.cpp.o -c /home/qt/work/qt/qtopcua/examples/opcua/opcuaviewer/treeitem.cpp
/home/qt/work/qt/qtopcua/examples/opcua/opcuaviewer/treeitem.cpp: In member function ‘TestNamespace::QString TreeItem::variantToString(const TestNamespace::QVariant&, const TestNamespace::QString&) const’:
/home/qt/work/qt/qtopcua/examples/opcua/opcuaviewer/treeitem.cpp:303:24: error: ambiguous overload for ‘operator+’ (operand types are ‘TestNamespace::QLatin1StringView’ {aka ‘TestNamespace::QLatin1String’} and ‘TestNamespace::QByteArray’)
  303 |         return "0x"_L1 + value.toByteArray().toHex();
      |                ~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                |                                  |
      |                |                                  TestNamespace::QByteArray
      |                TestNamespace::QLatin1StringView {aka TestNamespace::QLatin1String}
In file included from /home/qt/work/install/include/QtCore/qstringview.h:9,
                 from /home/qt/work/install/include/QtCore/qchar.h:660,
                 from /home/qt/work/install/include/QtCore/qtextstream.h:8,
                 from /home/qt/work/install/include/QtCore/qdebug.h:14,
                 from /home/qt/work/install/include/QtCore/qloggingcategory.h:8,
                 from /home/qt/work/qt/qtopcua/src/opcua/qopcuaglobal.h:8,
                 from /home/qt/work/qt/qtopcua_build/include/QtOpcUa/qopcuaglobal.h:1,
                 from /home/qt/work/qt/qtopcua/src/opcua/client/qopcuatype.h:7,
                 from /home/qt/work/qt/qtopcua_build/include/QtOpcUa/qopcuatype.h:1,
                 from /home/qt/work/qt/qtopcua/examples/opcua/opcuaviewer/treeitem.h:7,
                 from /home/qt/work/qt/qtopcua/examples/opcua/opcuaviewer/treeitem.cpp:4:
/home/qt/work/install/include/QtCore/qbytearray.h:692:19: note: candidate: ‘TestNamespace::QByteArray TestNamespace::operator+(QByteArrayView, const QByteArray&)’
  692 | inline QByteArray operator+(QByteArrayView lhs, const QByteArray &rhs)
      |                   ^~~~~~~~
In file included from /home/qt/work/install/include/QtCore/qdebug.h:17:
/home/qt/work/install/include/QtCore/qstring.h:1423:16: note: candidate: ‘TestNamespace::QString TestNamespace::operator+(const QString&, const QString&)’
 1423 | inline QString operator+(const QString &s1, const QString &s2)
      |                ^~~~~~~~
/home/qt/work/install/include/QtCore/qstring.h:1425:16: note: candidate: ‘TestNamespace::QString TestNamespace::operator+(QString&&, const QString&)’
 1425 | inline QString operator+(QString &&lhs, const QString &rhs)
      |                ^~~~~~~~
/home/qt/work/install/include/QtCore/qstring.h:1445:35: note: candidate: ‘TestNamespace::QString TestNamespace::operator+(const QString&, const char*)’
 1445 | QT_ASCII_CAST_WARN inline QString operator+(const QString &s1, const char *s2)
      |                                   ^~~~~~~~
/home/qt/work/install/include/QtCore/qstring.h:1447:35: note: candidate: ‘TestNamespace::QString TestNamespace::operator+(QString&&, const char*)’
 1447 | QT_ASCII_CAST_WARN inline QString operator+(QString &&lhs, const char *rhs)
      |                                   ^~~~~~~~
/home/qt/work/install/include/QtCore/qstring.h:1453:35: note: candidate: ‘TestNamespace::QString TestNamespace::operator+(const QString&, const QByteArray&)’
 1453 | QT_ASCII_CAST_WARN inline QString operator+(const QString &s, const QByteArray &ba)
      |                                   ^~~~~~~~
/home/qt/work/install/include/QtCore/qstring.h:1455:35: note: candidate: ‘TestNamespace::QString TestNamespace::operator+(QString&&, const QByteArray&)’
 1455 | QT_ASCII_CAST_WARN inline QString operator+(QString &&lhs, const QByteArray &rhs)