Error: Data structure returned is not convertible in the requested format. Try to call this method with the parameters '&format=original&serialize=1'; you will get the original php data structure serialized. The data structure looks like this: $data = array ( 0 => array ( 'idcontainer' => 'WH2Hgif7', 'idsite' => 1, 'context' => 'web', 'name' => 'Kanton Zug', 'description' => 'Container für zg.ch', 'status' => 'active', 'created_date' => '2021-12-02 10:10:47', 'updated_date' => '2021-12-02 10:10:47', 'created_date_pretty' => 'Dec 2, 2021 11:10:47', 'updated_date_pretty' => 'Dec 2, 2021 11:10:47', 'versions' => array ( 0 => array ( 'idcontainerversion' => 8, 'idcontainer' => 'WH2Hgif7', 'idsite' => 1, 'status' => 'active', 'revision' => 7, 'name' => 'Fix Matomo URL', 'description' => '', 'created_date' => '2022-07-08 14:00:34', 'updated_date' => '2022-07-08 14:00:34', 'created_date_pretty' => 'Jul 8, 2022 15:00:34', 'updated_date_pretty' => 'Jul 8, 2022 15:00:34', 'environments' => array ( 0 => 'live', 1 => 'preview', ), ), 1 => array ( 'idcontainerversion' => 7, 'idcontainer' => 'WH2Hgif7', 'idsite' => 1, 'status' => 'active', 'revision' => 6, 'name' => 'add path to events', 'description' => '', 'created_date' => '2021-12-15 14:57:03', 'updated_date' => '2021-12-15 14:57:03', 'created_date_pretty' => 'Dec 15, 2021 15:57:03', 'updated_date_pretty' => 'Dec 15, 2021 15:57:03', 'environments' => array ( ), ), 2 => array ( 'idcontainerversion' => 6, 'idcontainer' => 'WH2Hgif7', 'idsite' => 1, 'status' => 'active', 'revision' => 5, 'name' => 'ABR: change evt to 10_seconds', 'description' => '', 'created_date' => '2021-12-08 14:30:00', 'updated_date' => '2021-12-08 14:30:00', 'created_date_pretty' => 'Dec 8, 2021 15:30:00', 'updated_date_pretty' => 'Dec 8, 2021 15:30:00', 'environments' => array ( ), ), 3 => array ( 'idcontainerversion' => 5, 'idcontainer' => 'WH2Hgif7', 'idsite' => 1, 'status' => 'active', 'revision' => 4, 'name' => 'change ABR tracking to 10 sec', 'description' => '', 'created_date' => '2021-12-08 14:28:59', 'updated_date' => '2021-12-08 14:28:59', 'created_date_pretty' => 'Dec 8, 2021 15:28:59', 'updated_date_pretty' => 'Dec 8, 2021 15:28:59', 'environments' => array ( ), ), 4 => array ( 'idcontainerversion' => 4, 'idcontainer' => 'WH2Hgif7', 'idsite' => 1, 'status' => 'active', 'revision' => 3, 'name' => 'add adjusted_bounce_rate event', 'description' => '', 'created_date' => '2021-12-07 15:01:29', 'updated_date' => '2021-12-07 15:01:29', 'created_date_pretty' => 'Dec 7, 2021 16:01:29', 'updated_date_pretty' => 'Dec 7, 2021 16:01:29', 'environments' => array ( ), ), 5 => array ( 'idcontainerversion' => 3, 'idcontainer' => 'WH2Hgif7', 'idsite' => 1, 'status' => 'active', 'revision' => 2, 'name' => 'add extended event tracking', 'description' => '', 'created_date' => '2021-12-06 11:16:14', 'updated_date' => '2021-12-06 11:16:14', 'created_date_pretty' => 'Dec 6, 2021 12:16:14', 'updated_date_pretty' => 'Dec 6, 2021 12:16:14', 'environments' => array ( ), ), 6 => array ( 'idcontainerversion' => 2, 'idcontainer' => 'WH2Hgif7', 'idsite' => 1, 'status' => 'active', 'revision' => 1, 'name' => 'add matomo pageview tracking', 'description' => '', 'created_date' => '2021-12-02 10:17:37', 'updated_date' => '2021-12-02 10:17:37', 'created_date_pretty' => 'Dec 2, 2021 11:17:37', 'updated_date_pretty' => 'Dec 2, 2021 11:17:37', 'environments' => array ( ), ), ), 'releases' => array ( 0 => array ( 'idcontainerrelease' => 9, 'idcontainer' => 'WH2Hgif7', 'idcontainerversion' => 8, 'idsite' => 1, 'status' => 'active', 'environment' => 'live', 'release_login' => 'admin', 'release_date' => '2022-07-08 14:00:34', 'release_date_pretty' => 'Jul 8, 2022 15:00:34', 'version_name' => 'Fix Matomo URL', ), 1 => array ( 'idcontainerrelease' => 12, 'idcontainer' => 'WH2Hgif7', 'idcontainerversion' => 8, 'idsite' => 1, 'status' => 'active', 'environment' => 'preview', 'release_login' => 'admin', 'release_date' => '2022-11-22 16:46:54', 'release_date_pretty' => 'Nov 22, 2022 17:46:54', 'version_name' => 'Fix Matomo URL', ), ), 'draft' => array ( 'idcontainerversion' => 1, 'idcontainer' => 'WH2Hgif7', 'idsite' => 1, 'status' => 'active', 'revision' => 0, 'name' => '', 'description' => '', 'created_date' => '2021-12-02 10:10:47', 'updated_date' => '2021-12-02 10:10:47', 'created_date_pretty' => 'Dec 2, 2021 11:10:47', 'updated_date_pretty' => 'Dec 2, 2021 11:10:47', ), ), );