{"id":440243,"date":"2006-08-23T06:00:57","date_gmt":"2006-08-23T06:00:57","guid":{"rendered":"https:\/\/wordpress.org\/support\/topic\/errors-after-upgrading\/"},"modified":"2016-08-18T21:50:50","modified_gmt":"2016-08-18T21:50:50","slug":"errors-after-upgrading","status":"closed","type":"topic","link":"https:\/\/wordpress.org\/support\/topic\/errors-after-upgrading\/","title":{"rendered":"Errors After Upgrading"},"content":{"rendered":"<p>I just upgraded a site from WordPress 1.2 to the current version. I got it running and it&#8217;s connecting with the old database, but when ever I do anything in admin, post, manage, etc. I get this warning after I apply changes:<\/p>\n<p>Warning: Cannot modify header information &#8211; headers already sent by (output started at \/home\/content\/m\/a\/m\/mamaofc\/html\/wordpress\/wp-config.php:2) in \/home\/content\/m\/a\/m\/mamaofc\/html\/wordpress\/wp-includes\/pluggable-functions.php on line 272<\/p>\n<p>The warning isn&#8217;t identical everytime (I think) but something like this. The changes do seem to take when I view the site. Can someone help me fix this? It will really freak out the other users.<\/p>\n","protected":false},"template":"","class_list":["post-440243","topic","type-topic","status-closed","hentry","topic-tag-errors","topic-tag-upgrade","topic-tag-warning"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/440243","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\/440243\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/media?parent=440243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}