Title: Fatal error activating jetpack markdown plug-in
Last modified: August 21, 2016

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# Fatal error activating jetpack markdown plug-in

 *  Resolved [jack.davis](https://wordpress.org/support/users/jackdavis/)
 * (@jackdavis)
 * [12 years ago](https://wordpress.org/support/topic/fatal-error-when-activating-jetpack-markdown/)
 * I’m running WordPress 3.9 with the Twenty Thirteen theme. I installed the JetPack
   Markdown plug-in but when I go to activate it I get the following error message:
 * Fatal error: Cannot redeclare jetpack_markdown_posting_always_on() (previously
   declared in /home/jacdav18/axzeo.com/wp-content/plugins/jetpack/modules/markdown.
   php:20) in /home/jacdav18/axzeo.com/wp-content/plugins/jetpack-markdown/markdown.
   php on line 38
 * The only other active plug-ins are Akismet, Hotfix, JetPack by WordPress.com,
   and WP Super Cache. Any ideas on what the problem might be with the jetpack Mardown
   plug-ing? Thanks, Jack
 * [https://wordpress.org/plugins/jetpack-markdown/](https://wordpress.org/plugins/jetpack-markdown/)

Viewing 2 replies - 1 through 2 (of 2 total)

 *  [sodastsai](https://wordpress.org/support/users/sodastsai/)
 * (@sodastsai)
 * [12 years ago](https://wordpress.org/support/topic/fatal-error-when-activating-jetpack-markdown/#post-4882997)
 * the plug-in is part of JetPack plug-in. Since you already installed the JetPack
   plug-in, you had this plug-in installed too.
 * That’s why the error message says “redeclare”
 *  Thread Starter [jack.davis](https://wordpress.org/support/users/jackdavis/)
 * (@jackdavis)
 * [12 years ago](https://wordpress.org/support/topic/fatal-error-when-activating-jetpack-markdown/#post-4883022)
 * Ah, already in JetPack, understand – thanks sodastsai!

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘Fatal error activating jetpack markdown plug-in’ is closed to new replies.

 * ![](https://s.w.org/plugins/geopattern-icon/jetpack-markdown.svg)
 * [JP Markdown](https://wordpress.org/plugins/jetpack-markdown/)
 * [Support Threads](https://wordpress.org/support/plugin/jetpack-markdown/)
 * [Active Topics](https://wordpress.org/support/plugin/jetpack-markdown/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/jetpack-markdown/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/jetpack-markdown/reviews/)

## Tags

 * [markdown](https://wordpress.org/support/topic-tag/markdown/)

 * 2 replies
 * 2 participants
 * Last reply from: [jack.davis](https://wordpress.org/support/users/jackdavis/)
 * Last activity: [12 years ago](https://wordpress.org/support/topic/fatal-error-when-activating-jetpack-markdown/#post-4883022)
 * Status: resolved