[Plugin: WP Super Cache] PHP Fatal error: Call to a member function get() .. cache.php on line 93

  • Hello
    I have been looking through error logs & found this error appearing several times…
    PHP Fatal error: Call to a member function get() on a non-object in …. httpdocs/wp-includes/cache.php on line 93
    Our site is hosted on mediatemple dv extreme server. WP version is 3.0 & WP Super Cache is 0.9.9.6

    I tried different solutions found on this site which are about 1 year old, that didn’t help.

    Please help to fix the problem.
    Thank You

    https://www.ads-software.com/extend/plugins/wp-super-cache/

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

  • It isn’t caused by wp-super-cache. That’s the internal object cache in WordPress and some plugin is trying to use it when the object cache “object” has been destroyed by PHP when a process is finishing.

    Look for wp_cache_get/set/add functions or even the *_options functions in your plugins.

    Thread Starter Vinit

    (@wp-vin)

    I try to find those.
    Thank you very much.

    Thread Starter Vinit

    (@wp-vin)

    Hi donncha
    I found akismet is using wp_cache_get
    In such case, how can I use both super cache & akismet wihout problem ?
    Both are essential plugins.
    thanks

    Thread Starter Vinit

    (@wp-vin)

    Also akismet is using wp_cache_set

    Akismet isn’t the problem as that’s a widely used plugin. It must be something else unfortunately. It could even be your theme.

    That error is completely separate from wp-super-cache so you can use the plugin without causing the error. It’s definitely something else.

    Thread Starter Vinit

    (@wp-vin)

    We use news_10 theme.
    I will disable other plugins and look for errors.

    Thread Starter Vinit

    (@wp-vin)

    can wp_cache_delete cause problem ?

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