PHP Fatal Error on Call to Add_Query_Var in Taxonomy.php After Upgrading to WordPress 2.5 RC2 PHP的致命錯誤就請Add_Query_Var在Taxonomy.php後升級到WordPress的2.5 RC2中

After upgrading to經過升級 WordPress 2.5 RC2 WordPress的2.5 RC2中 , some WordPress iinstallation will return completely blank web page or all blog posts, pages and even wp-admin administrator dashboard and other administrative panel.一些WordPress的iinstallation將返回完全空白的網頁或所有博客帖子，網頁，甚至可濕性粉劑管理員管理員控制台和其他行政小組。 Or the following error will be displayed (the error message will also be logged and captured in Apache error_log).或下面的錯誤將顯示（該錯誤信息也將被記錄，並抓獲在Apache錯誤信息） 。

PHP Fatal error: Call to a member function add_query_var() on a non-object in /home/domain/public_html/wp-includes/taxonomy.php on line 165 PHP的致命錯誤：呼叫一個成員函數add_query_var （ ）的一個非對象在/ home /網域/ public_html /可濕性粉劑，包括/ taxonomy.php線165

The error happens because the webmaster upgrades to WordPress 2.5 RC2 without deactivating the plugins activated beforehand, and apparently there is plug-in that conflict or not compatible with the new beta release of WordPress 2.5.錯誤發生，因為網站管理員升級到WordPress的2.5 RC2中沒有關閉該插件激活事前，顯然有插件，衝突或不兼容的新版本的WordPress的2.5 。 The problem happens even though users are upgrading from WordPress 2.5 RC1, and has no problem on that version.這個問題發生，即使用戶升級到WordPress的2.5 RC1的，沒有任何問題的版本。

The unsupported plugin is related to tags.不受支持的插件的相關標籤。 For example, Simple Tags and bSuite, no longer works in WordPress 2.5 RC2, and probably in final 2.5 version too.例如，簡單的標記和bSuite ，不再工程WordPress的2.5 RC2中，並可能在最後的2.5版本太多。

The best way to avoid the error is to disable all plugins before upgrading, and then turn on the plugins one by one to ensure compatibility, and deactivate those causing the blank or error webpages.最好的辦法，以避免錯誤是停用所有插件升級之前，然後打開插件一個接一個，以確保兼容性，並停用這些造成的空白或錯誤網頁。

However, if you already upgraded and forgot to deactivate the plugins, and now facing the the problem usable to access Plugin Management page anymore to disable tags related plugins, try the following workarounds to fix the issue.不過，如果您已經升級和忘記停用插件，而現在面臨的問題可進入插件管理頁面了禁用標籤相關插件，請嘗試以下變通解決這一問題。

1. Login to the server, and delete the possible incompatible plugin away.登錄到服務器，並刪除可能不兼容的插件了。
2. Downgrade to WordPress 2.5 RC1 ( WordPress的降級為2.5的RC1 （ download link下載鏈接 ) to disable all plugins, and then upgrade to ）禁用所有插件，然後升級到 WordPress 2.5 RC2 WordPress的2.5 RC2中 , or final version when released, again. ，或最終版本發布的時候，再次。

IMPORTANT : You're reading a machine translated page which is provided "as is" without warranty. 重要：您正在閱讀的機器翻譯網頁這是“原樣”提供，無保修。 Unlike human translation, machine translation does not understand the grammar, semantics, syntax, idioms of natural language, thus often produce inaccurate and low quality text which is misleading and incomprehensible.不同人的翻譯，機器翻譯不明白的語法，語義，句法，成語自然語言，因此，往往產生不準確，低質量的文字這是誤導和費解。 Thus, please refer to因此，請參閱 original English article英文原文的文章 when in doubt.當懷疑。

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