WordPress 4.9.1

  • Themes is up to date. No any plugins.

    I getting warnings with Twenty Seventeen, Twenty Thirteen, Twenty Fourteen themes during activa the theme and on Appearance -> Widgets page

    Warning: array_merge(): Argument #3 is not an array in D:\OpenServer\domains\test2\wp-includes\widgets.php on line 1159

    Warning: array_diff(): Argument #2 is not an array in D:\OpenServer\domains\test2\wp-includes\widgets.php on line 1160

    Warning: Invalid argument supplied for foreach() in D:\OpenServer\domains\test2\wp-includes\widgets.php on line 1162

    Warning: array_merge(): Argument #1 is not an array in D:\OpenServer\domains\test2\wp-includes\widgets.php on line 1170

    Video https://youtu.be/yjIyD6k7Aos

    What is the reason and how to fix this? How to fix this in my own theme?

    Best regards

    • This topic was modified 7 years, 3 months ago by secretlab.pw.
Viewing 1 replies (of 1 total)
  • Moderator t-p

    (@t-p)

    Do you see this line in your wp-config.php file?
    define( 'WP_DEBUG', true );

    If you do, change it to:
    define( 'WP_DEBUG', false );

Viewing 1 replies (of 1 total)
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