{"id":19010375,"date":"2026-09-03T08:10:31","date_gmt":"2026-09-03T08:10:31","guid":{"rendered":"https:\/\/wordpress.org\/support\/topic\/unable-to-start-checkout\/"},"modified":"2026-09-03T08:10:31","modified_gmt":"2026-09-03T08:10:31","slug":"unable-to-start-checkout","status":"publish","type":"topic","link":"https:\/\/wordpress.org\/support\/topic\/unable-to-start-checkout\/","title":{"rendered":"Unable to start checkout"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">On the checkout page, after having filled out all the required information and submitting it we recieve this message:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>The Kustom order id could not be retrieved from the session. Please try again.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In the Woocommerce logs for this plugin we are seeing lots of these messages:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Missing WC session kco_wc_order_id during update Kustom order sequence.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">And these messages are shown when we try to go through the checkout:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>[CHECKOUT VALIDATION]: Kustom order ID is not set in the session. Will not proceed with order.<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For now we have had to fall back on the Vipps Checkout extension, so that we can continue to process orders as normal.<\/p>\n","protected":false},"template":"","class_list":["post-19010375","topic","type-topic","status-publish","hentry","topic-tag-checkout"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/topic\/19010375","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\/19010375\/revisions"}],"wp:attachment":[{"href":"https:\/\/wordpress.org\/support\/wp-json\/wp\/v2\/media?parent=19010375"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}