Title: External object use error
Last modified: April 20, 2020

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# External object use error

 *  Resolved [Insect Trojan](https://wordpress.org/support/users/insecttrojan/)
 * (@insecttrojan)
 * [6 years, 1 month ago](https://wordpress.org/support/topic/external-object-use-error/)
 * External object cache not in use
 * The Redis extension for PHP is installed but is not in use by WordPress
 * hello i have this error in the query monitor can you help me ? thanks a lot .
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Fexternal-object-use-error%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

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

 *  Plugin Author [John Blackbourn](https://wordpress.org/support/users/johnbillion/)
 * (@johnbillion)
 * WordPress Core Developer
 * [6 years, 1 month ago](https://wordpress.org/support/topic/external-object-use-error/#post-12702004)
 * You need to install a Redis plugin.
 *  Thread Starter [Insect Trojan](https://wordpress.org/support/users/insecttrojan/)
 * (@insecttrojan)
 * [6 years, 1 month ago](https://wordpress.org/support/topic/external-object-use-error/#post-12702040)
 * ok so i have w3 total cache i need to set on the object cache ? because my server
   is shared and i am afraid maybe it not works well .

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

The topic ‘External object use error’ is closed to new replies.

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 * 2 replies
 * 2 participants
 * Last reply from: [Insect Trojan](https://wordpress.org/support/users/insecttrojan/)
 * Last activity: [6 years, 1 month ago](https://wordpress.org/support/topic/external-object-use-error/#post-12702040)
 * Status: resolved