Hello
The issue might be there due to the conflict with third party plugins as in our side, we were unable to replicate the issue. Please once verify the issue by deactivating all the third party plugins.
Also, please once refer to the given official documentation of the theme for detailed assistance for the complete site setup : https://themepalace.com/instructions/themes/kids-education/
Hope this helps
Feel free to reach us for any further query/confusion.
Regards!