What does “Trying to get property of non object in..” mean?

Question

I was moving something in my web to add a class to all my images, and now i have this message:

[15-Oct-2019 10:44:01 UTC] PHP Notice: Trying to get property ‘post_title’ of non-object in /home/public_html/wp-includes/nav-menu.php on line 825

[15-Oct-2019 10:44:01 UTC] PHP Notice: Trying to get property ‘ID’ of non-object in /home/public_html/wp-includes/nav-menu.php on line 825

[15-Oct-2019 10:44:01 UTC] PHP Notice: Trying to get property ‘ID’ of non-object in /home/public_html/wp-includes/nav-menu.php on line 829

What could be happen? I have made rollback but the message still appear. Is it dangerous?

0
Edu Sorel 2 years 2019-10-15T06:36:32-05:00 0 Answers 67 views 0

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