In Appearance customize widget area i don't see widget suddenly

Shapely
1

Hi,
I created a child theme of shapely for my site but i can’t work well.
Everything was fine, 1 hour ago, i was updating, i had this problem.
May you help me??
I’m Sorry for my english
Thank you
Best regards

2

Hi there

Duplicate here:
https://colorlibsupport.com/t/widgets-missing-under-customize-2/

I will close this case