It seems you are using a child theme. So, can you switch to the parent theme and check once. If the issue is resolved then can you check the code of the child theme? If the issue still persists, can you try disabling plugins one by one and check?
Spacious theme 1.5.3 mobile menu is not working. It worked last week but this week, checking an update, Mobile/Chrome on Android is not working at all! I’ve been deactivating plug ins and this has not helped. What is my next step?