Title: php error keeps appearing
Last modified: July 24, 2024

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# php error keeps appearing

 *  Resolved [sweetrobot](https://wordpress.org/support/users/sweetrobot/)
 * (@sweetrobot)
 * [1 year, 10 months ago](https://wordpress.org/support/topic/php-error-keeps-appearing/)
 * this error keeps appearing in the error log:
 * **objectcache.notice: Cache metadata not found, flushing cache for integrity 
   protection…**
 * any help appreciated. using object cache pro with relay.

Viewing 7 replies - 1 through 7 (of 7 total)

 *  Thread Starter [sweetrobot](https://wordpress.org/support/users/sweetrobot/)
 * (@sweetrobot)
 * [1 year, 10 months ago](https://wordpress.org/support/topic/php-error-keeps-appearing/#post-17913419)
 * seems to keep reappearing…
 *  Plugin Author [Till Krüss](https://wordpress.org/support/users/tillkruess/)
 * (@tillkruess)
 * [1 year, 10 months ago](https://wordpress.org/support/topic/php-error-keeps-appearing/#post-17920415)
 * Who are you hosting with?
 *  Thread Starter [sweetrobot](https://wordpress.org/support/users/sweetrobot/)
 * (@sweetrobot)
 * [1 year, 10 months ago](https://wordpress.org/support/topic/php-error-keeps-appearing/#post-17920419)
 * rocket.net
 * pretty much the only thing recurring in the log:
 * [25-Jul-2024 22:33:52 UTC] objectcache.notice: Cache metadata not found, flushing
   cache for integrity protection…
   [26-Jul-2024 01:09:36 UTC] objectcache.notice:
   Cache metadata not found, flushing cache for integrity protection…[26-Jul-2024
   03:47:05 UTC] objectcache.notice: Cache metadata not found, flushing cache for
   integrity protection…[26-Jul-2024 08:13:32 UTC] objectcache.notice: Cache metadata
   not found, flushing cache for integrity protection…[26-Jul-2024 12:25:05 UTC]
   objectcache.notice: Cache metadata not found, flushing cache for integrity protection…[
   26-Jul-2024 17:34:05 UTC] objectcache.notice: Cache metadata not found, flushing
   cache for integrity protection…[26-Jul-2024 23:46:59 UTC] objectcache.notice:
   Cache metadata not found, flushing cache for integrity protection…[27-Jul-2024
   07:26:43 UTC] objectcache.notice: Cache metadata not found, flushing cache for
   integrity protection…[27-Jul-2024 14:37:46 UTC] objectcache.notice: Cache metadata
   not found, flushing cache for integrity protection…[27-Jul-2024 21:06:44 UTC]
   objectcache.notice: Cache metadata not found, flushing cache for integrity protection…[
   28-Jul-2024 01:28:37 UTC] objectcache.notice: Cache metadata not found, flushing
   cache for integrity protection…[28-Jul-2024 13:30:00 UTC] objectcache.notice:
   Cache metadata not found, flushing cache for integrity protection…[28-Jul-2024
   18:08:03 UTC] objectcache.notice: Cache metadata not found, flushing cache for
   integrity protection…[28-Jul-2024 22:40:04 UTC] objectcache.notice: Cache metadata
   not found, flushing cache for integrity protection…[29-Jul-2024 04:20:12 UTC]
   objectcache.notice: Cache metadata not found, flushing cache for integrity protection…[
   29-Jul-2024 10:55:15 UTC] objectcache.notice: Cache metadata not found, flushing
   cache for integrity protection…[29-Jul-2024 13:17:21 UTC] objectcache.notice:
   Cache metadata not found, flushing cache for integrity protection…[29-Jul-2024
   15:34:07 UTC] objectcache.notice: Cache metadata not found, flushing cache for
   integrity protection…
 *  Thread Starter [sweetrobot](https://wordpress.org/support/users/sweetrobot/)
 * (@sweetrobot)
 * [1 year, 10 months ago](https://wordpress.org/support/topic/php-error-keeps-appearing/#post-17920810)
 * also, just noticed this in the ‘health’ recommendations. not sure if relevant
   in any way:
 * When using Relay, it’s strongly recommended to set the `shared` configuration
   option to `true` or `false` indicate whether the Redis is used by multiple apps,
   or not.
 *  Thread Starter [sweetrobot](https://wordpress.org/support/users/sweetrobot/)
 * (@sweetrobot)
 * [1 year, 10 months ago](https://wordpress.org/support/topic/php-error-keeps-appearing/#post-17925562)
 * adding this here if it’s of value in any way…
 * > [View post on imgur.com](https://imgur.com/a/8DSOR1h)
 *  Thread Starter [sweetrobot](https://wordpress.org/support/users/sweetrobot/)
 * (@sweetrobot)
 * [1 year, 9 months ago](https://wordpress.org/support/topic/php-error-keeps-appearing/#post-17930175)
 * hi [@tillkruess](https://wordpress.org/support/users/tillkruess/), wanted to 
   check back on this.
 *  Plugin Author [Till Krüss](https://wordpress.org/support/users/tillkruess/)
 * (@tillkruess)
 * [1 year, 8 months ago](https://wordpress.org/support/topic/php-error-keeps-appearing/#post-18006626)
 * Can you upgrade to Object Cache Pro v1.21.2, that might resolve this issue.

Viewing 7 replies - 1 through 7 (of 7 total)

The topic ‘php error keeps appearing’ is closed to new replies.

 * ![](https://ps.w.org/redis-cache/assets/icon-256x256.gif?rev=2568513)
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 * 7 replies
 * 2 participants
 * Last reply from: [Till Krüss](https://wordpress.org/support/users/tillkruess/)
 * Last activity: [1 year, 8 months ago](https://wordpress.org/support/topic/php-error-keeps-appearing/#post-18006626)
 * Status: resolved