{"id":18874835,"date":"2026-04-08T09:37:44","date_gmt":"2026-04-08T09:37:44","guid":{"rendered":"https:\/\/wordpress.org\/support\/?post_type=topic&#038;p=18874835"},"modified":"2026-04-08T10:55:56","modified_gmt":"2026-04-08T10:55:56","slug":"php-fatal-error-498","status":"publish","type":"topic","link":"https:\/\/wordpress.org\/support\/topic\/php-fatal-error-498\/","title":{"rendered":"PHP fatal error"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">I&#8217;am getting a fatal error:<br \/><br \/>PHP Fatal error:\u00a0\u00a0Default value for property of type mixed may not be null. Use the nullable type ?mixed to allow null default value in \/httpdocs\/wp-content\/plugins\/wpc-composite-products\/includes\/class-product.php on line 8<\/p>\n","protected":false},"template":"","class_list":["post-18874835","topic","type-topic","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/18874835","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":1,"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/18874835\/revisions"}],"predecessor-version":[{"id":18874928,"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/18874835\/revisions\/18874928"}],"wp:attachment":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/media?parent=18874835"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}