{"id":6175219,"date":"2015-05-28T09:45:56","date_gmt":"2015-05-28T09:45:56","guid":{"rendered":"https:\/\/wordpress.org\/support\/topic\/error-message-425\/"},"modified":"2016-08-24T16:42:49","modified_gmt":"2016-08-24T16:42:49","slug":"error-message-425","status":"closed","type":"topic","link":"https:\/\/wordpress.org\/support\/topic\/error-message-425\/","title":{"rendered":"error message"},"content":{"rendered":"<p>hi<br \/>\ni&#8217;ve installed your cool plugin and want to say thx for the great job you did.<br \/>\nwhen i load my page with the plugin, the alphabetical row (show letter # a b &#8230; y z) shows, but by clicking on a letter, the following error message appears:<\/p>\n<p>Warning: call_user_func_array() expects parameter 1 to be a valid callback, first array member is not a valid class name or object in ..\/freddi.ch\/wp-includes\/plugin.php on line 496<\/p>\n<p>what am i doing wrong? is there a way to fix this?<\/p>\n<p>thx in advance for your help<br \/>\nandrea<\/p>\n<p>https:\/\/wordpress.org\/plugins\/tune-library\/<\/p>\n","protected":false},"template":"","class_list":["post-6175219","topic","type-topic","status-closed","hentry","topic-tag-call_user_func_array"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/6175219","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\/6175219\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/media?parent=6175219"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}