{"id":18960205,"date":"2026-07-09T04:33:37","date_gmt":"2026-07-09T04:33:37","guid":{"rendered":"https:\/\/wordpress.org\/support\/topic\/internal-error-34\/"},"modified":"2026-07-09T04:33:37","modified_gmt":"2026-07-09T04:33:37","slug":"internal-error-34","status":"publish","type":"topic","link":"https:\/\/wordpress.org\/support\/topic\/internal-error-34\/","title":{"rendered":"Internal error"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Hello support,<br \/>I am getting below error error_log:<br \/><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">09-Jul-2026 00:38:32 UTC] PHP Fatal error: Uncaught TypeError: join(): Argument #2 ($array) must be of type ?array, string given in \/blablahome\/blabla\/public_html\/wp-content\/plugins\/seo-by-rank-math\/includes\/frontend\/class-head.php:230 Stack trace: #0 \/blablahome\/blabla\/public_html\/wp-content\/plugins\/seo-by-rank-math\/includes\/frontend\/class-head.php(230): join(&#8216;, &#8216;, &#8216;noindex, nofoll&#8230;&#8217;) #1 \/blablahome\/blabla\/public_html\/wp-includes\/class-wp-hook.php(341): RankMath\\Frontend\\Head-&gt;robots() #2 \/blablahome\/blabla\/public_html\/wp-includes\/class-wp-hook.php(365): WP_Hook-&gt;apply_filters(NULL, Array)<br \/>After getting this error how the website is running?<br \/>How can we fix it?<br \/><br \/>Thanks!<\/p>\n","protected":false},"template":"","class_list":["post-18960205","topic","type-topic","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/18960205","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\/18960205\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/media?parent=18960205"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}