PHP Fatal error: Uncaught Error: Class ‘WPSEO_Schema_IDs’ not found in woocommerce-schema.php
The problem occurs since the latest updates of Yoast WooCommerce SEO It breaks Single Product Page.

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CRITICAL Uncaught Error: Class ‘WPSEO_Schema_IDs’ not found in …/wp-content/plugins/wpseo-woocommerce/classes/woocommerce-schema.php:98
Stack trace:
#0 …/wp-includes/class-wp-hook.php(286): WPSEO_WooCommerce_Schema->change_product(Array, Object(WC_Product_Simple))
#1 …/wp-includes/plugin.php(208): WP_Hook->apply_filters(Array, Array)
#2 …/wp-content/plugins/woocommerce/includes/class-wc-structured-data.php(321): apply_filters(‘woocommerce_str…’, Array, Object(WC_Product_Simple))
#3 …/wp-includes/class-wp-hook.php(286): WC_Structured_Data->generate_product_data(Object(WC_Product_Simple))
#4 …/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array)
#5 …/wp-includes/plugin.php(465): WP_Hook->do_action(Array)
#6 …/wp-content/plugins/wpseo-woocommerce/classes/woocommerce-schema.php in line 98
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also I can not provide a link to a page which shows this issue, because when i activate the Yoast SEO: WooCommerce plugin, my webshop breaks.
When i disable the plugin everything works fine.

Maybe this error affects many of your users. Here is a link with a similar problem posting 6 days ago in github.com:
https://github.com/Yoast/wpseo-woocommerce/issues/377

I think the problem is very clearly defined: WPSEO_Schema_IDs’ not found in woocommerce-schema.php, and I hope your team will soon resolve the issue that is re-activated for the second time since version Yoast for woocommerce SEO 11.

Best regards,
George