Description of problem:
enter sculpt mode, trying to play with current brush, nothing happens at all (cursor does not change to 3d brush,just default arrow, nothing as it is not sculpt but just usual 3d editor mode), trying to select dfferent brushes, pust some random buttons,  like unroll combo lists in property window at right side, abrt report pop up.

Version-Release number of selected component:
blender-1:4.3.2-5.fc42

Additional info:
reporter:       libreport-2.17.15
kernel:         6.14.0-63.fc42.x86_64
cmdline:        /usr/bin/blender
cgroup:         0::/user.slice/user-1000.slice/user/app.slice/app-gnome-blender-8760.scope
uid:            1000
reason:         space_view3d_toolbar.py:1014:draw:TypeError: bpy_struct: item.attr = val: UILayout.active expected True/False or 0/1, not NoneType
executable:     /usr/bin/blender
type:           Python3
package:        blender-1:4.3.2-5.fc42
runlevel:       N 5
exception_type: TypeError
crash_function: draw
interpreter:    blender-4.3.2-5.fc42.x86_64
comment:        enter sculpt mode, trying to play with current brush, nothing happens at all (cursor does not change to 3d brush,just default arrow, nothing as it is not sculpt but just usual 3d editor mode), trying to select dfferent brushes, pust some random buttons,  like unroll combo lists in property window at right side, abrt report pop up.

Truncated backtrace:
space_view3d_toolbar.py:1014:draw:TypeError: bpy_struct: item.attr = val: UILayout.active expected True/False or 0/1, not NoneType

Traceback (most recent call last):
  File "/usr/share/blender/4.3/scripts/startup/bl_ui/space_view3d_toolbar.py", line 1014, in draw
    sub.active = (brush and brush.sculpt_tool != 'MASK')
    ^^^^^^^^^^
TypeError: bpy_struct: item.attr = val: UILayout.active expected True/False or 0/1, not NoneType

Local variables in innermost frame:
self: bpy.data.screens['Sculpting']...VIEW3D_PT_sculpt_dyntopo
context: bpy.data.scenes['Scene']...Context
layout: bpy.data.screens['Sculpting']...UILayout
tool_settings: bpy.data.scenes['Scene'].tool_settings
sculpt: bpy.data.scenes['Scene'].tool_settings.sculpt
settings: bpy.data.scenes['Scene'].tool_settings.sculpt
brush: None
col: bpy.data.screens['Sculpting']...UILayout
sub: bpy.data.screens['Sculpting']...UILayout