Hi Euler,
change the theme is not an option that can even consider.
i have contacted the hosting company i hope the can help me
I’ve contacted Namecheap my hosting provider
they have increased the PHP time limit but nothing changed
they say that it is an issue of the plugin, here a link their support chat:
https://drive.google.com/file/d/1-UaSovnU32fEbLcu62lrls81u24MmmG1/view?usp=sharing