API RST problem

Good morning,

I have a problem with:

Warning: Undefined array key 1 in /home/u290060/domains/domain.pl/public_html/portal/wp-includes/rest-api/endpoints/class-wp-rest-widgets-controller.php on line 711

Perhaps you know how to fix this?

Thanks

Hello,

Could you please check how it works with some default WordPress themes like TwentyTwenty or WooCommerce Storefront to understand is it our theme issue or not?

Regards

[Author]

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