{"id":19014751,"date":"2026-09-08T16:55:26","date_gmt":"2026-09-08T16:55:26","guid":{"rendered":"https:\/\/wordpress.org\/support\/topic\/fatal-error-undefined-constant-3\/"},"modified":"2026-09-08T16:55:26","modified_gmt":"2026-09-08T16:55:26","slug":"fatal-error-undefined-constant-3","status":"publish","type":"topic","link":"https:\/\/wordpress.org\/support\/topic\/fatal-error-undefined-constant-3\/","title":{"rendered":"Fatal error: Undefined Constant"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">I am receiving the following fatal error:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Fatal error<\/strong>: Uncaught Error: Undefined constant &#8220;YellowTree\\GeoipDetect\\DataSources\\Fastah\\CURL_HTTP_VERSION_1_1&#8221; in \/home\/_website\/public_html\/wp-content\/plugins\/geoip-detect\/data-sources\/fastah.php:280 Stack trace: #0 \/home\/_website\/public_html\/wp-content\/plugins\/geoip-detect\/geoip-detect.php(97): include_once() #1 \/home\/_website\/public_html\/wp-settings.php(597): include_once(&#8216;\/home\/_website\/&#8230;&#8217;) #2 \/home\/_website\/public_html\/wp-config.php(95): require_once(&#8216;\/home\/_website\/&#8230;&#8217;) #3 \/home\/_website\/public_html\/wp-load.php(50): require_once(&#8216;\/home\/_website\/&#8230;&#8217;) #4 \/home\/_website\/public_html\/wp-admin\/admin.php(35): require_once(&#8216;\/home\/_website\/&#8230;&#8217;) #5 \/home\/_website\/public_html\/wp-admin\/index.php(10): require_once(&#8216;\/home\/_website\/&#8230;&#8217;) #6 {main} thrown in\u00a0<strong>\/home\/_website\/public_html\/wp-content\/plugins\/geoip-detect\/data-sources\/fastah.php<\/strong>\u00a0on line\u00a0<strong>280<\/strong><\/p>\n","protected":false},"template":"","class_list":["post-19014751","topic","type-topic","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/19014751","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\/19014751\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/media?parent=19014751"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}