Update OJS, multiple errors

I upgraded the ojs to the latest version, and it’s popping up several errors. (Fatal error: Uncaught Error: Call to a member function getId() on null in) and public_html/magazines/plugins/generic/webFeed/WebFeedBlockPlugin.inc.php on line 85. Can someone help me?

the site is this REDELP - Rede Livre de Publicações

Solved! I managed to install locally and then went up to the hosting server.

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