Hi, I can no longer edit or add ‘Portfolio Projects’ on my site. When I try to edit or select anything in the project I get the following error.

https://leaderstoolbeltcom.wpcomstaging.com/

Theme: Jevelin
Theme Version: 4.3.2
WordPress: 5.3.2
PHP: 7.2.27

Error:

Error: Failed to execute ‘removeChild’ on ‘Node’: The node to be removed is not a child of this node.
at ah (https://leaderstoolbeltcom.wpcomstaging.com/wp-content/plugins/gutenberg/vendor/react-dom.min.b694e242.js?ver=16.9.0:109:220)
at Ti (https://leaderstoolbeltcom.wpcomstaging.com/wp-content/plugins/gutenberg/vendor/react-dom.min.b694e242.js?ver=16.9.0:145:151)
at unstable_runWithPriority (https://leaderstoolbeltcom.wpcomstaging.com/wp-content/plugins/gutenberg/vendor/react.min.0212dc62.js?ver=16.9.0:26:340)
at Ma (https://leaderstoolbeltcom.wpcomstaging.com/wp-content/plugins/gutenberg/vendor/react-dom.min.b694e242.js?ver=16.9.0:52:280)
at Ia (https://leaderstoolbeltcom.wpcomstaging.com/wp-content/plugins/gutenberg/vendor/react-dom.min.b694e242.js?ver=16.9.0:140:407)
at ze (https://leaderstoolbeltcom.wpcomstaging.com/wp-content/plugins/gutenberg/vendor/react-dom.min.b694e242.js?ver=16.9.0:118:14)
at https://leaderstoolbeltcom.wpcomstaging.com/wp-content/plugins/gutenberg/vendor/react-dom.min.b694e242.js?ver=16.9.0:53:49
at unstable_runWithPriority (https://leaderstoolbeltcom.wpcomstaging.com/wp-content/plugins/gutenberg/vendor/react.min.0212dc62.js?ver=16.9.0:26:340)
at Ma (https://leaderstoolbeltcom.wpcomstaging.com/wp-content/plugins/gutenberg/vendor/react-dom.min.b694e242.js?ver=16.9.0:52:280)
at mg (https://leaderstoolbeltcom.wpcomstaging.com/wp-content/plugins/gutenberg/vendor/react-dom.min.b694e242.js?ver=16.9.0:52:496)