Title: Cannot install plugin
Last modified: September 24, 2018

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# Cannot install plugin

 *  Resolved [Kristiyan Katsarov](https://wordpress.org/support/users/katsar0v/)
 * (@katsar0v)
 * [7 years, 8 months ago](https://wordpress.org/support/topic/cannot-install-plugin-14/)
 * I get this error:
 * `Fatal error: Cannot redeclare members_get_capabilities() (previously declared
   in /var/www/html/wp-content/plugins/ultimate-member/includes/class-init.php:310)
   in /var/www/html/wp-content/plugins/members/inc/functions-capabilities.php on
   line 299`

Viewing 1 replies (of 1 total)

 *  [Justin Tadlock](https://wordpress.org/support/users/greenshady/)
 * (@greenshady)
 * [7 years, 8 months ago](https://wordpress.org/support/topic/cannot-install-plugin-14/#post-10718641)
 * This is due to Ultimate Member not properly namespacing their code. The plugin
   should not be using the `members_` prefix. You’ll need to talk to the Ultimate
   Member plugin author to get them to fix the issue. Or, you’ll need to disable
   Ultimate Member plugin.

Viewing 1 replies (of 1 total)

The topic ‘Cannot install plugin’ is closed to new replies.

 * ![](https://ps.w.org/members/assets/icon-256x256.png?rev=3508404)
 * [Members - Membership & User Role Editor Plugin](https://wordpress.org/plugins/members/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/members/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/members/)
 * [Active Topics](https://wordpress.org/support/plugin/members/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/members/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/members/reviews/)

 * 1 reply
 * 2 participants
 * Last reply from: [Justin Tadlock](https://wordpress.org/support/users/greenshady/)
 * Last activity: [7 years, 8 months ago](https://wordpress.org/support/topic/cannot-install-plugin-14/#post-10718641)
 * Status: resolved