Multisite with The Events Calendar Pro Error

I want to use your plugin but when I Start Search Process I got the following error:

Search Error, please submit on the support forum: {“error”:”TEC\\Events_Pro\\Custom_Tables\\V1\\Links\\Links::update_recurrence_view_link(): Argument #1 ($post_link) must be of type string, null given, called in /home/tbopissu/public_html/wp-content/plugins/events-calendar-pro/src/Events_Pro/Custom_Tables/V1/Links/Provider.php on line 108″}

The page I need help with: [log in to see the link]