Support » Fixing WordPress » PHP errorConstant WP_CACHE_KEY_SALT already defined

PHP errorConstant WP_CACHE_KEY_SALT already defined

  • Nick Porter

    (@nickporter2)


    1 year, 6 months ago

    I am getting a PHP error on all of my pages as I only have very basic knowledge I have no idea how to fix it. Any help much appreciated this is the error.

    Constant WP_CACHE_KEY_SALT already defined
    wp-content/object-cache.php:19

    Thanks in advance.

    The page I need help with: [log in to see the link]

Viewing 3 replies - 1 through 3 (of 3 total)
  • Roxy Kohilakis

    (@rkohilakis)

    1 year, 6 months ago

    Hi @nickporter2! I would recommend double-checking the syntax in your wp-config.php. Are you using WP_CACHE_KEY_SALT twice?

    Thread Starter Nick Porter

    (@nickporter2)

    1 year, 6 months ago

    Thanks Roxy
    I also spoke to my hosting company and they replied with this which has fixed the problem.

    Looks like the WP_CACHE_KEY_SALT was in fact already defined in wp-config.php and it wasn’t necessary in this case as we use our own version (it’s probably a leftover from the old hosting if the site has been migrated).

    I’ve commented it out and you shouldn’t see any warnings about that anymore.

    Roxy Kohilakis

    (@rkohilakis)

    1 year, 6 months ago

    I’m so glad you were able to get it figured out 🙂

Viewing 3 replies - 1 through 3 (of 3 total)
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