Title: fatal error
Last modified: August 30, 2016

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# fatal error

 *  Resolved [weiluri](https://wordpress.org/support/users/weiluri/)
 * (@weiluri)
 * [10 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-1929/)
 * Hi,
 * tried install and got error on activation:
 * Fatal error: Cannot redeclare class WP_HTTP_Response in /home/weiluri1411/webapps/
   dev4_4wordpres/wp-content/plugins/rest-api/core/wp-includes/class-wp-http-response.
   php on line 15
 * [https://wordpress.org/plugins/rest-api/](https://wordpress.org/plugins/rest-api/)

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

 *  Plugin Author [Daniel Bachhuber](https://wordpress.org/support/users/danielbachhuber/)
 * (@danielbachhuber)
 * [10 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-1929/#post-6876367)
 * Which version did you install, and which version of WordPress are you running?
 * Do you have another version of the REST API active?
 *  Thread Starter [weiluri](https://wordpress.org/support/users/weiluri/)
 * (@weiluri)
 * [10 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-1929/#post-6876386)
 * I installed Version 2.0-beta9 and i have wordpress 4.4.
    I don’t have another
   version of ret api active
 *  Plugin Author [Daniel Bachhuber](https://wordpress.org/support/users/danielbachhuber/)
 * (@danielbachhuber)
 * [10 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-1929/#post-6876453)
 * Can you try disabling your other plugins to see if one of them might be including
   the `WP_HTTP_Response` class?

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

The topic ‘fatal error’ is closed to new replies.

 * ![](https://ps.w.org/rest-api/assets/icon-256x256.png?rev=1346297)
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 * 3 replies
 * 2 participants
 * Last reply from: [Daniel Bachhuber](https://wordpress.org/support/users/danielbachhuber/)
 * Last activity: [10 years, 7 months ago](https://wordpress.org/support/topic/fatal-error-1929/#post-6876453)
 * Status: resolved