ASSERT: "scope != nullptr" when running qmllint -U on QML files in qtquickcontrols2

micurtis@QT-D-S4CX2350 MINGW64 /c/dev/qt5.15/qtquickcontrols2 ((88fa6ec6...))
$ find . -name "*.qml" -exec /c/dev/qt5.15-d/qtbase/bin/qmllint -U {} \;
Warning: unqualified access at 79:23
                text: modelData
                      ^^^^^^^^^



Warning: unqualified access at 86:39
                    source: "qrc:/" + modelData.replace(" ", "_") + ".png"
                                      ^^^^^^^^^



Warning: unqualified access at 75:19
            text: modelData
                  ^^^^^^^^^



Warning: Property "StackView" not found on type "Page" at 79:29
            onClicked: root.StackView.view.push("qrc:/ConversationPage.qml", { inConversationWith: modelData })
                            ^^^^^^^^^
Warning: unqualified access at 79:100
            onClicked: root.StackView.view.push("qrc:/ConversationPage.qml", { inConversationWith: modelData })
                                                                                                   ^^^^^^^^^



Warning: unqualified access at 83:35
                source: "qrc:/" + modelData.replace(" ", "_") + ".png"
                                  ^^^^^^^^^



Warning: Property "StackView" not found on type "Page" at 66:29
            onClicked: root.StackView.view.pop()
                            ^^^^^^^^^
Warning: unqualified access at 71:19
            text: inConversationWith
                  ^^^^^^^^^^^^^^^^^^
Note: inConversationWith is a meber of the root element
      You can qualify the access with its id to avoid this warning:
            text: root.inConversationWith



Warning: Property "BottomToTop" not found on type "QQuickListView" at 86:47
            verticalLayoutDirection: ListView.BottomToTop
                                              ^^^^^^^^^^^
Warning: unqualified access at 90:50
                readonly property bool sentByMe: index % 2 == 0
                                                 ^^^^^



Warning: unqualified access at 100:31
                    visible: !sentByMe
                              ^^^^^^^^



Warning: unqualified access at 106:28
                    color: sentByMe ? "lightgrey" : "steelblue"
                           ^^^^^^^^



Warning: Property "Wrap" not found on type "QtQuick.Controls/TextArea 2.0" at 130:40
                    wrapMode: TextArea.Wrap
                                       ^^^^
Warning: unqualified access at 110:31
                        text: index
                              ^^^^^



Warning: unqualified access at 111:32
                        color: sentByMe ? "black" : "white"
                               ^^^^^^^^



warning: SqlContactModel was not found. Did you add all import paths?
warning: SqlConversationModel was not found. Did you add all import paths?
warning: SqlContactModel was not found. Did you add all import paths?
warning: SqlConversationModel was not found. Did you add all import paths?
Warning: unqualified access at 64:19
            text: fullName
                  ^^^^^^^^



Warning: unqualified access at 84:23
                text: address
                      ^^^^^^^



Warning: unqualified access at 96:23
                text: city
                      ^^^^



Warning: unqualified access at 108:23
                text: number
                      ^^^^^^



Warning: Property "Ok" not found on type "QtQuick.Controls/Dialog 2.1" at 85:29
    standardButtons: Dialog.Ok | Dialog.Cancel
                            ^^
Warning: Property "Cancel" not found on type "QtQuick.Controls/Dialog 2.1" at 85:41
    standardButtons: Dialog.Ok | Dialog.Cancel
                                        ^^^^^^
ASSERT: "scope != nullptr" in file C:\dev\qt5.15\qtdeclarative\tools\qmllint\scopetree.cpp, line 147

---------------------------
Microsoft Visual C++ Runtime Library
---------------------------
Debug Error!

Program: C:\dev\qt5.15-d\qtbase\bin\Qt5Cored.dll
Module: 5.15.0
File: C:\dev\qt5.15\qtdeclarative\tools\qmllint\scopetree.cpp
Line: 147

ASSERT: "scope != nullptr" in file C:\dev\qt5.15\qtdeclarative\tools\qmllint\scopetree.cpp, line 147

(Press Retry to debug the application)

---------------------------
Abort   Retry   Ignore   
---------------------------

/c/dev/qt5.15-d/qtbase/bin/qmllint -U /c/dev/qt5.15/qtquickcontrols2/src/imports/controls/Dialog.qml