When I execute "yast2 firewall", I get the following error message:

Execution of command "[["/usr/bin/firewall-config"]]" failed. Exit code: 1
Error output: Traceback (most recent call last): File
"/usr/bin/firewall-config", line 8170, in <module> app = FirewallConfig() File
"/usr/bin/firewall-config", line 1386, in __init__ self.connection_changed()
File "/usr/bin/firewall-config", line 1692, in connection_changed
self.update_active_zones() File "/usr/bin/firewall-config", line 2465, in
update_active_zones connection, zone ]) File
"/usr/lib64/python3.6/site-packages/gi/overrides/Gtk.py", line 1237, in append
return self._do_insert(parent, -1, row) File
"/usr/lib64/python3.6/site-packages/gi/overrides/Gtk.py", line 1229, in
_do_insert row, columns = self._convert_row(row) File
"/usr/lib64/python3.6/site-packages/gi/overrides/Gtk.py", line 870, in
_convert_row result.append(self._convert_value(cur_col, value)) File
"/usr/lib64/python3.6/site-packages/gi/overrides/Gtk.py", line 888, in
_convert_value return GObject.Value(self.get_column_type(column), value) File
"/usr/lib64/python3.6/site-packages/gi/overrides/GObject.py", line 218, in
__init__ self.set_value(py_value) File
"/usr/lib64/python3.6/site-packages/gi/overrides/GObject.py", line 274, in
set_value (py_value, type(py_value))) ValueError: Expected string but got
False<class 'bool'>

The following are the versions of installed RPMs corresponding to the file
names in the above error:
1. firewall-config-0.5.5-lp150.2.9.1.noarch
2. python3-gobject-Gdk-3.26.1-lp150.1.4.x86_64
3. python3-gobject-3.26.1-lp150.1.4.x86_64