{"id":11136589,"date":"2019-01-27T19:46:58","date_gmt":"2019-01-27T19:46:58","guid":{"rendered":"https:\/\/wordpress.org\/support\/topic\/admin-post-php\/"},"modified":"2019-01-27T19:46:58","modified_gmt":"2019-01-27T19:46:58","slug":"admin-post-php","status":"publish","type":"topic","link":"https:\/\/wordpress.org\/support\/topic\/admin-post-php\/","title":{"rendered":"admin-post.php"},"content":{"rendered":"<p>Hello!<\/p>\n<p>When I try to change the settings on the &#8220;settings&#8221; page, an error occurs:<\/p>\n<p><code>Fatal error: Uncaught Error: Call to undefined function mb_internal_encoding() in \/*\/backup-wd\/includes\/buwd-helper.php:129 Stack trace: #0 \/*\/backup-wd\/includes\/buwd-admin.php(230): Buwd_Helper::ucwords_specific(&#039;buwd_settings&#039;, &#039;_&#039;) #1 \/*\/wp-includes\/class-wp-hook.php(286): Buwd_Admin-&gt;save_form(&#039;&#039;) #2 \/*\/wp-includes\/class-wp-hook.php(310): WP_Hook-&gt;apply_filters(&#039;&#039;, Array) #3 \/*\/wp-includes\/plugin.php(453): WP_Hook-&gt;do_action(Array) #4 \/*\/wp-admin\/admin-post.php(69): do_action(&#039;admin_post_buwd...&#039;) #5 {main} thrown in \/*\/backup-wd\/includes\/buwd-helper.php on line 129<\/code><\/p>\n<p>Any idea? I tried on two different sites, version wp 5.0.3<br \/>\nThank you in advance<\/p>\n","protected":false},"template":"","class_list":["post-11136589","topic","type-topic","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/11136589","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\/11136589\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/media?parent=11136589"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}