Title: Flat Error
Last modified: September 1, 2016

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# Flat Error

 *  Resolved [Nicky](https://wordpress.org/support/users/bevara-naveen/)
 * (@bevara-naveen)
 * [9 years, 9 months ago](https://wordpress.org/support/topic/flat-error/)
 * Hi, Hoping someone can help.
    when i am installed this plugin i’m getting FLAT
   ERROR
 * **Fatal error: Call to undefined function rest_url() in D:\xampp\htdocs\ghee\
   wp-content\plugins\customify\class-pixcustomify.php on line 491**
 * [https://wordpress.org/plugins/customify/](https://wordpress.org/plugins/customify/)

Viewing 4 replies - 1 through 4 (of 4 total)

 *  [Andrei Lupu](https://wordpress.org/support/users/euthelup/)
 * (@euthelup)
 * [9 years, 9 months ago](https://wordpress.org/support/topic/flat-error/#post-7524916)
 * Hi Nicky!
 * The rest_url() function was added in WordPress 4.4 so you will need to update
   your WordPress version in order to use Customify.
 * I will update the requirements for the plugin to 4.4.0 soon.
 * Thanks.
 *  Thread Starter [Nicky](https://wordpress.org/support/users/bevara-naveen/)
 * (@bevara-naveen)
 * [9 years, 9 months ago](https://wordpress.org/support/topic/flat-error/#post-7525016)
 * yes its working Thank you [@euthelup](https://wordpress.org/support/users/euthelup/)
 *  [mancuniano](https://wordpress.org/support/users/mancuniano/)
 * (@mancuniano)
 * [9 years, 9 months ago](https://wordpress.org/support/topic/flat-error/#post-7525178)
 * Hello
    after update, i cant enter to my admin panel is the plugin compatible 
   with WP 4.5.3?
 *  [Andrei Lupu](https://wordpress.org/support/users/euthelup/)
 * (@euthelup)
 * [9 years, 9 months ago](https://wordpress.org/support/topic/flat-error/#post-7525179)
 * Yes it works, I’m using it myself every day

Viewing 4 replies - 1 through 4 (of 4 total)

The topic ‘Flat Error’ is closed to new replies.

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 * 4 replies
 * 3 participants
 * Last reply from: [Andrei Lupu](https://wordpress.org/support/users/euthelup/)
 * Last activity: [9 years, 9 months ago](https://wordpress.org/support/topic/flat-error/#post-7525179)
 * Status: resolved