Title: Redis Error message
Last modified: January 31, 2019

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# Redis Error message

 *  Resolved [b8europe](https://wordpress.org/support/users/b8europe/)
 * (@b8europe)
 * [7 years, 3 months ago](https://wordpress.org/support/topic/redis-error-message/)
 * If I turn on Redis for Database cache I get the following messages with WP in
   Debug mode:
 * Notice: Undefined index: options in ./wp-content/plugins/w3-total-cache/Cache_Redis.
   php on line 181
 * Notice: Undefined index: remaining in ./wp-content/plugins/w3-total-cache/Cache_Redis.
   php on line 181
 * Notice: Undefined index: comments in ./wp-content/plugins/w3-total-cache/Cache_Redis.
   php on line 181
 * Notice: Undefined index: singletables in ./wp-content/plugins/w3-total-cache/
   Cache_Redis.php on line 181

Viewing 1 replies (of 1 total)

 *  Plugin Contributor [Marko Vasiljevic](https://wordpress.org/support/users/vmarko/)
 * (@vmarko)
 * [7 years, 3 months ago](https://wordpress.org/support/topic/redis-error-message/#post-11153133)
 * Hello,
 * This means that Redis is not configured and W3 Total Cache cannot reach the server.
   
   Have you followed the instructions on our [FAQ page](https://github.com/W3EDGE/w3-total-cache/wiki/FAQ:-Installation:-Redis-Server)?

Viewing 1 replies (of 1 total)

The topic ‘Redis Error message’ is closed to new replies.

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## Tags

 * [database cache](https://wordpress.org/support/topic-tag/database-cache/)
 * [redis](https://wordpress.org/support/topic-tag/redis/)

 * 1 reply
 * 2 participants
 * Last reply from: [Marko Vasiljevic](https://wordpress.org/support/users/vmarko/)
 * Last activity: [7 years, 3 months ago](https://wordpress.org/support/topic/redis-error-message/#post-11153133)
 * Status: resolved