Database Errors – Can You explain?

  • Hi

    I am getting these errors reported in my error_log. I don’t really know what they mean or what I can do about them.

    [24-Aug-2010 09:43:33] PHP Warning: Illegal offset type in /home/warner44/public_html/blog/wp-includes/cache.php on line 363

    [24-Aug-2010 18:26:10] XML-RPC: xmlrpcmsg::parseResponse: no response received from server.
    [24-Aug-2010 18:57:19] XML-RPC: xmlrpcmsg::parseResponse: no response received from server.
    [24-Aug-2010 20:00:04] PHP Fatal error: Call to undefined function get_plugins() in /home/warner44/public_html/blog/wp-content/plugins/wp-malwatch/modules/scan-locale/scan-locale.php on line 37

    And this one Many Times:

    [24-Aug-2010 22:40:34] WordPress database error Unknown column ‘category_nicename’ in ‘where clause’ for query SELECT SQL_CALC_FOUND_ROWS wp_posts.* FROM wp_posts INNER JOIN wp_term_relationships ON (wp_posts.ID = wp_term_relationships.object_id) INNER JOIN wp_term_taxonomy ON (wp_term_relationships.term_taxonomy_id = wp_term_taxonomy.term_taxonomy_id) WHERE 1=1 AND wp_term_taxonomy.taxonomy = ‘category’ AND wp_term_taxonomy.term_id IN (‘942’) AND wp_posts.post_type = ‘post’ AND (wp_posts.post_status = ‘publish’) AND category_nicename = ’email-marketing-strategies’ GROUP BY wp_posts.ID ORDER BY wp_posts.post_date DESC LIMIT 0, 15 made by require, wp, WP->main, WP->query_posts, WP_Query->query, WP_Query->get_posts

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  • Have you tried:

    – deactivating all plugins to see if this resolves the problem? If this works, re-activate the plugins one by one until you find the problematic plugin(s).

    – switching to the default theme to rule out any theme-specific problems?

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