Title: Undefined array key “file”
Last modified: September 16, 2024

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# Undefined array key “file”

 *  [Safety13](https://wordpress.org/support/users/safety13/)
 * (@safety13)
 * [1 year, 8 months ago](https://wordpress.org/support/topic/undefined-array-key-file/)
 * Since upgrading to WP 6.6.2 getting this error, “Undefined array key “file” in/
   www/xxx_329/public/wp-includes/plugin.php on line 177″
 * How can it be fixed?

Viewing 3 replies - 1 through 3 (of 3 total)

 *  [M. Asif Hossain](https://wordpress.org/support/users/asifsiam97/)
 * (@asifsiam97)
 * [1 year, 8 months ago](https://wordpress.org/support/topic/undefined-array-key-file/#post-18016442)
 * Hello [@safety13](https://wordpress.org/support/users/safety13/) ,
 * Please turn on the WordPress debug mode to get more detailed information of this
   error.
 *  Moderator [James Huff](https://wordpress.org/support/users/macmanx/)
 * (@macmanx)
 * [1 year, 8 months ago](https://wordpress.org/support/topic/undefined-array-key-file/#post-18016580)
 * [@asifsiam97](https://wordpress.org/support/users/asifsiam97/) Thanks for helping
   out, please provide instructions, it will help most folks more: [https://developer.wordpress.org/advanced-administration/debug/debug-wordpress/](https://developer.wordpress.org/advanced-administration/debug/debug-wordpress/)
 *  [M. Asif Hossain](https://wordpress.org/support/users/asifsiam97/)
 * (@asifsiam97)
 * [1 year, 8 months ago](https://wordpress.org/support/topic/undefined-array-key-file/#post-18016947)
 * [@macmanx](https://wordpress.org/support/users/macmanx/) You’re welcome! I’m 
   glad the information was helpful. Next time, I’ll make sure to include helpful
   links like the one you’ve shared if anyone needs detailed instructions. Thanks
   for the suggestion!

Viewing 3 replies - 1 through 3 (of 3 total)

The topic ‘Undefined array key “file”’ is closed to new replies.

 * In: [Fixing WordPress](https://wordpress.org/support/forum/how-to-and-troubleshooting/)
 * 3 replies
 * 3 participants
 * Last reply from: [M. Asif Hossain](https://wordpress.org/support/users/asifsiam97/)
 * Last activity: [1 year, 8 months ago](https://wordpress.org/support/topic/undefined-array-key-file/#post-18016947)
 * Status: not resolved

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