After upgrading SharePoint from 2016 to 2019, a list "ListViewWebPart" is empty. The list is now showing weird yellow icon (instead of the regular blue one) and 0 items. How can I repair it?

After upgrading SharePoint from 2016 to 2019, a list "ListViewWebPart" is empty. The list is now showing weird yellow icon (instead of the regular blue one) and 0 items. How can I repair it?

You could try to use Export and Import or Save list as template to copy the list from SharePoint 2016 to SharePoint 2019.
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