“Trying to get property of non-object” Error

  • Hello,

    When I install query monitor plugin to check the performance of my site.

    I get this error message:

    Message: Trying to get property of non-object
    Count: 4
    Location: wp-includes/nav-menu.php:821,
    wp-includes/nav-menu.php:825

    What’s causing it?

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Viewing 2 replies - 1 through 2 (of 2 total)
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