I had to install Woocommerce on my site.
It requested Jatpack for going on.
The slider of testimonials doesn’t work anymore and I received this message:
An error of type E_COMPILE_ERROR was caused in line 87 of the file /web/htdocs/XXXXXX.it. Error message: require(): Failed opening required ‘/web/htdocs/XXXXXX.it/home/wp-content/plugins/woocommerce/packages/woocommerce-blocks/src/StoreApi/Schemas/CheckoutSchema.php’ (include_path=’.:/php7.4/lib/php’)