--- a/eric7/Project/ProjectBrowserModel.py	Fri Aug 20 14:11:49 2021 +0200
+++ b/eric7/Project/ProjectBrowserModel.py	Fri Aug 20 14:19:13 2021 +0200
@@ -514,10 +514,6 @@
                 else:
                     if type_ and type_ not in itm.getProjectTypes():
                         itm.addProjectType(type_)
-                        # TODO: commented out because it causes a crash
-                        # in Qt 6.1.2. What does change?
-##                        index = self.createIndex(itm.row(), 0, itm)
-##                        self.dataChanged.emit(index, index)
                 olditem = itm
             return (itm, pathlist[-1])
         else: