Error Warning: Class __PHP_Incomplete_Class has no unserializer

  • pro99

    (@pro99)


    7 years, 11 months ago

    Yoast SEO sitemap used to work fine until this week:

    Warning: Class __PHP_Incomplete_Class has no unserializer in /home/content/p3pnexwpnas14_data02/95/3039995/html/wp-content/object-cache.php on line 520

    All sitemaps are now broken and returning this error. Anyone knows how to fix this?

    https://wordpress.org/plugins/wordpress-seo/

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