Heading Error

The messages show on the heading
‘Notice: Undefined index: icl_lang_sel_widget-5 in /home/customer/www/frameworks-online.com/public_html/wp-content/plugins/content-control/classes/Widget.php on line 45’ or see a picture https://ibb.co/PDtnQz3

This is what in line 45 return $options[ $widget_id ];

I am using multisite, the main site and the other subdomains are working fine except for this subdomain, the event occurred after reset WPML plugin on the subdomain.

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