Hi guys,
I have a similar problem when I move to any section of the woocommerce plugin.
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Notice: Trying to get property ‘handle’ of non-object in /web/htdocs/www.urbanpet.it/home/wp-content/plugins/woocommerce/packages/woocommerce-admin/src/Loader.php on line 485
Notice: Undefined index: avia_builder_js in /web/htdocs/www.urbanpet.it/home/wp-content/plugins/woocommerce/packages/woocommerce-admin/src/Loader.php on line 517
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For now I have disabled WP_DEBUG but I would like to solve the problem.
Can you fix it on the next update?

Thank you
Patrizia