{"id":18999721,"date":"2026-08-21T17:26:11","date_gmt":"2026-08-21T17:26:11","guid":{"rendered":"https:\/\/wordpress.org\/support\/topic\/wp-staging-site-not-loading-critical-error-screen\/"},"modified":"2026-08-21T17:26:11","modified_gmt":"2026-08-21T17:26:11","slug":"wp-staging-site-not-loading-critical-error-screen","status":"publish","type":"topic","link":"https:\/\/wordpress.org\/support\/topic\/wp-staging-site-not-loading-critical-error-screen\/","title":{"rendered":"WP-Staging site not loading critical error screen"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Hello,<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">My staging site stopped loading with the WP &#8220;There has been a critical error on this site.&#8221; message.  I edited wp-config.php on the staging site to enable WP_DEBUG and create the debug.log file.  Here are the results..  I&#8217;m using Windows Server 2019, IIS 10 and php<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">[21-Aug-2026 17:07:44 UTC] PHP Deprecated: Non-canonical cast (double) is deprecated, use the (float) cast instead in C:\\inetpub\\wwwroot\\cawl_wp\\stargazer\\wp-content\\plugins\\wordfence\\lib\\wfConfig.php on line 2096<br \/>[21-Aug-2026 17:07:45 UTC] PHP Deprecated: Non-canonical cast (binary) is deprecated, use the (string) cast instead in C:\\inetpub\\wwwroot\\cawl_wp\\stargazer\\wp-content\\plugins\\wordfence\\lib\\wfMD5BloomFilter.php on line 79<br \/>[21-Aug-2026 17:07:58 UTC] PHP Deprecated: Creation of dynamic property ThemeWhizzie::$plugin_path is deprecated in C:\\inetpub\\wwwroot\\cawl_wp\\stargazer\\wp-content\\themes\\university-institute-pro\\theme-wizard\\whizzie.php on line 118<br \/>[21-Aug-2026 17:07:58 UTC] PHP Deprecated: Creation of dynamic property ThemeWhizzie::$parent_slug is deprecated in C:\\inetpub\\wwwroot\\cawl_wp\\stargazer\\wp-content\\themes\\university-institute-pro\\theme-wizard\\whizzie.php on line 125<br \/>[21-Aug-2026 17:08:01 UTC] PHP Fatal error: Uncaught TypeError: call_user_func_array(): Argument #1 ($callback) must be a valid callback, function &#8220;_wp_register_default_icon_collections&#8221; not found or invalid function name in C:\\inetpub\\wwwroot\\cawl_wp\\stargazer\\wp-includes\\class-wp-hook.php:353<br \/>Stack trace: 0 C:\\inetpub\\wwwroot\\cawl_wp\\stargazer\\wp-includes\\class-wp-hook.php(377): WP_Hook-&gt;apply_filters() 1 C:\\inetpub\\wwwroot\\cawl_wp\\stargazer\\wp-includes\\plugin.php(522): WP_Hook-&gt;do_action() 2 C:\\inetpub\\wwwroot\\cawl_wp\\stargazer\\wp-settings.php(771): do_action() 3 C:\\inetpub\\wwwroot\\cawl_wp\\stargazer\\wp-config.php(232): require_once(&#8216;\u2026&#8217;) 4 C:\\inetpub\\wwwroot\\cawl_wp\\stargazer\\wp-load.php(50): require_once(&#8216;\u2026&#8217;) 5 C:\\inetpub\\wwwroot\\cawl_wp\\stargazer\\wp-blog-header.php(13): require_once(&#8216;\u2026&#8217;) 6 C:\\inetpub\\wwwroot\\cawl_wp\\stargazer\\index.php(17): require(&#8216;\u2026&#8217;) 7 {main}<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">thrown in C:\\inetpub\\wwwroot\\cawl_wp\\stargazer\\wp-includes\\class-wp-hook.php on line 353<\/p>\n","protected":false},"template":"","class_list":["post-18999721","topic","type-topic","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/18999721","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic"}],"about":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/18999721\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/media?parent=18999721"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}