Notice: Undefined index: plugins in […]plugins.php

  • lambyte0

    (@lambyte0)


    14 years ago

    Recent changes:

    • Installed plugin “Most Commented” version 2.2
    • I was experimenting with plugin files in “/wp-content/plugins/most-commented/”, at one point duplicating and renaming the plugin’s file in an attempt to make a backup. I then delete the whole “most-commented” directory via FTP, and installed my own edit of the “Most Commented” plugin by creating a directory with the plugin’s file inside. The plugin works.

    Symptoms:

    • On the plugins page of the admin panel, the following is displayed at the top of the page, while plugins still seem to work: 
      Notice: Undefined index: plugins in /home/content/98/7276698/html/wp-admin/plugins.php on line 16'</li>
<li>I can install plugins automatically just fine, but when I activate them, I get various errors depending on the widget. Here is an example:

      Notice: Undefined index: plugins in /home/content/98/7276698/html/wp-admin/plugins.php on line 16

      Warning: Cannot modify header information – headers already sent by (output started at /home/content/98/7276698/html/wp-admin/plugins.php:16) in /home/content/98/7276698/html/wp-includes/pluggable.php on line 890

      Warning: Cannot modify header information – headers already sent by (output started at /home/content/98/7276698/html/wp-admin/plugins.php:16) in /home/content/98/7276698/html/wp-includes/pluggable.php on line 890`</li></ul>

      In response to the header information warnings, I have tried looking for extra characters in plugins.php at line 16, as recommended by https://codex.www.ads-software.com/FAQ_Troubleshooting, but I didn’t see anything out of the ordinary:
      else if ( $menu_perms['plugins'] != 1 && is_super_admin() )

      Recommendations?

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