Title: undefined method redis_verison()
Last modified: November 24, 2019

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# undefined method redis_verison()

 *  Resolved [5lions](https://wordpress.org/support/users/5lions/)
 * (@5lions)
 * [6 years, 6 months ago](https://wordpress.org/support/topic/undefined-method-redis_verison/)
 * Lots of my sites are throwing this error after a recent upgrade:
 * PHP Fatal error: Uncaught Error: Call to undefined method WP_Object_Cache::redis_version()
   in /home/../wp-content/plugins/redis-cache/redis-cache.php:219
 * Any ideas?
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fundefined-method-redis_verison%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 1 replies (of 1 total)

 *  Plugin Author [Till Krüss](https://wordpress.org/support/users/tillkruess/)
 * (@tillkruess)
 * [6 years, 6 months ago](https://wordpress.org/support/topic/undefined-method-redis_verison/#post-12169913)
 * Yes, you should see a prompt that your cache dropin is out of date.
 * If you don’t disable and enable the object cache once (not the plugin). That 
   will install the latest dropin.

Viewing 1 replies (of 1 total)

The topic ‘undefined method redis_verison()’ is closed to new replies.

 * ![](https://ps.w.org/redis-cache/assets/icon-256x256.gif?rev=2568513)
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 * [Support Threads](https://wordpress.org/support/plugin/redis-cache/)
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## Tags

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

 * 1 reply
 * 2 participants
 * Last reply from: [Till Krüss](https://wordpress.org/support/users/tillkruess/)
 * Last activity: [6 years, 6 months ago](https://wordpress.org/support/topic/undefined-method-redis_verison/#post-12169913)
 * Status: resolved