Title: Deprecated Theme Error Message
Last modified: August 22, 2016

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# Deprecated Theme Error Message

 *  [haileyyshay](https://wordpress.org/support/users/haileyyshay/)
 * (@haileyyshay)
 * [11 years, 4 months ago](https://wordpress.org/support/topic/deprecated-theme-error-message/)
 * Notice: Undefined property: WP_Error::$slug in /home/content/p3nexnas05_data01/
   68/2098868/html/wp-includes/class-wp-error.php on line 78
 * I keep receiving this error message with my site. After to speaking to someone,
   they mentioned that this was because wordpress has updated and my theme has not.
   Could someone help with this please? This error message has displayed on my home
   page for a few days now!

The topic ‘Deprecated Theme Error Message’ is closed to new replies.

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## Tags

 * [deprecated](https://wordpress.org/support/topic-tag/deprecated/)
 * [error message](https://wordpress.org/support/topic-tag/error-message/)
 * [theme issue](https://wordpress.org/support/topic-tag/theme-issue/)

 * 0 replies
 * 1 participant
 * Last reply from: [haileyyshay](https://wordpress.org/support/users/haileyyshay/)
 * Last activity: [11 years, 4 months ago](https://wordpress.org/support/topic/deprecated-theme-error-message/)
 * Status: not resolved