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: $data = array ( 'visitorId' => 'db58873dbcf8e11d', 'totalVisits' => 1, 'totalVisitDuration' => 0, 'totalActions' => 1, 'totalOutlinks' => 0, 'totalDownloads' => 0, 'totalSearches' => 0, 'totalPageViews' => 1, 'totalUniquePageViews' => 1, 'totalRevisitedPages' => 0, 'totalPageViewsWithTiming' => 1, 'searches' => array ( ), 'totalGoalConversions' => 0, 'totalConversionsByGoal' => array ( ), 'totalEvents' => 0, 'hasLatLong' => false, 'lastVisits' => Piwik\DataTable::__set_state(array( 'rows' => array ( 0 => Piwik\DataTable\Row::__set_state(array( 'idSite' => '1', 'idVisit' => '5685239', 'visitIp' => NULL, 'visitorId' => false, 'actionDetails' => array ( 0 => array ( 'type' => 'action', 'url' => 'http://www.buecher-wiki.ch/index.php/BuecherWiki/Erzaehlperspektive', 'pageTitle' => 'Erzählperspektive: Alles über die Erzählperspektive im Bücher-Wiki', 'pageIdAction' => '7942', 'idpageview' => 'CeJONp', 'serverTimePretty' => 'Apr 26, 2018 00:00:28', 'pageId' => '12108268', 'generationTimeMilliseconds' => '815', 'generationTime' => '0.82s', 'interactionPosition' => '1', 'icon' => NULL, 'timestamp' => 1524700828, ), ), 'goalConversions' => 0, 'siteCurrency' => 'USD', 'siteCurrencySymbol' => '$', 'serverDate' => '2018-04-25', 'visitServerHour' => '22', 'lastActionTimestamp' => 1524693628, 'lastActionDateTime' => '2018-04-25 22:00:28', 'serverTimestamp' => 1524693628, 'firstActionTimestamp' => 1524693628, 'serverTimePretty' => '00:00:28', 'serverDatePretty' => 'Thursday, April 26, 2018', 'serverDatePrettyFirstAction' => 'Thursday, April 26, 2018', 'serverTimePrettyFirstAction' => '00:00:28', 'userId' => NULL, 'visitorType' => 'new', 'visitorTypeIcon' => NULL, 'visitConverted' => '0', 'visitConvertedIcon' => NULL, 'visitCount' => '1', 'visitEcommerceStatus' => 'none', 'visitEcommerceStatusIcon' => NULL, 'daysSinceFirstVisit' => '0', 'daysSinceLastEcommerceOrder' => '0', 'visitDuration' => '0', 'visitDurationPretty' => '0s', 'searches' => '0', 'actions' => '1', 'interactions' => '1', 'referrerType' => 'search', 'referrerTypeName' => 'Search Engines', 'referrerName' => 'Google', 'referrerKeyword' => 'Keyword not defined', 'referrerKeywordPosition' => NULL, 'referrerUrl' => 'https://www.google.ch/', 'referrerSearchEngineUrl' => 'http://google.com', 'referrerSearchEngineIcon' => 'plugins/Morpheus/icons/dist/searchEngines/google.com.png', 'languageCode' => 'en-us', 'language' => 'Language code en-us', 'deviceType' => 'Tablet', 'deviceTypeIcon' => 'plugins/Morpheus/icons/dist/devices/tablet.png', 'deviceBrand' => 'Apple', 'deviceModel' => 'iPad', 'operatingSystem' => 'iOS 10.3', 'operatingSystemName' => 'iOS', 'operatingSystemIcon' => 'plugins/Morpheus/icons/dist/os/IOS.png', 'operatingSystemCode' => 'IOS', 'operatingSystemVersion' => '10.3', 'browserFamily' => 'WebKit', 'browserFamilyDescription' => 'WebKit (Safari, Chrome)', 'browser' => 'Mobile Safari 10.0', 'browserName' => 'Mobile Safari', 'browserIcon' => 'plugins/Morpheus/icons/dist/browsers/MF.png', 'browserCode' => 'MF', 'browserVersion' => '10.0', 'totalEcommerceRevenue' => '0.00', 'totalEcommerceConversions' => '0', 'totalEcommerceItems' => '0', 'totalAbandonedCartsRevenue' => '0.00', 'totalAbandonedCarts' => '0', 'totalAbandonedCartsItems' => '0', 'events' => '0', 'continent' => 'North America', 'continentCode' => 'amn', 'country' => 'United States', 'countryCode' => 'us', 'countryFlag' => 'plugins/Morpheus/icons/dist/flags/us.png', 'region' => NULL, 'regionCode' => NULL, 'city' => NULL, 'location' => 'United States', 'latitude' => NULL, 'longitude' => NULL, 'visitLocalTime' => '00:00:28', 'visitLocalHour' => '0', 'daysSinceLastVisit' => '0', 'customVariables' => array ( ), 'resolution' => '768x1024', 'plugins' => 'cookie', 'pluginsIcons' => array ( 0 => array ( 'pluginIcon' => 'plugins/Morpheus/icons/dist/plugins/cookie.png', 'pluginName' => 'cookie', ), ), )), ), 'currentId' => 2, 'depthLevel' => 0, 'indexNotUpToDate' => true, 'rebuildIndexContinuously' => false, 'tableSortedBy' => false, 'queuedFilters' => array ( ), 'disabledFilters' => array ( ), 'rowsCountBeforeLimitFilter' => 0, 'enableRecursiveSort' => false, 'enableRecursiveFilters' => false, 'rowsIndexByLabel' => array ( ), 'summaryRow' => NULL, 'metadata' => array ( 'column_aggregation_ops' => array ( 'idvisit' => 'skip', 'idsite' => 'skip', 'idvisitor' => 'skip', 'visitor_localtime' => 'skip', 'visitor_returning' => 'skip', 'visitor_count_visits' => 'skip', 'visit_first_action_time' => 'skip', 'visit_last_action_time' => 'skip', 'visit_exit_idaction_url' => 'skip', 'visit_exit_idaction_name' => 'skip', 'visit_entry_idaction_url' => 'skip', 'visit_entry_idaction_name' => 'skip', 'visit_total_actions' => 'skip', 'visit_total_searches' => 'skip', 'visit_total_events' => 'skip', 'visit_total_time' => 'skip', 'visit_goal_converted' => 'skip', 'visit_goal_buyer' => 'skip', 'referer_type' => 'skip', 'referer_name' => 'skip', 'referer_url' => 'skip', 'referer_keyword' => 'skip', 'config_id' => 'skip', 'config_os' => 'skip', 'config_os_version' => 'skip', 'config_browser_name' => 'skip', 'config_browser_version' => 'skip', 'config_device_type' => 'skip', 'config_device_brand' => 'skip', 'config_device_model' => 'skip', 'config_resolution' => 'skip', 'config_pdf' => 'skip', 'config_flash' => 'skip', 'config_java' => 'skip', 'config_director' => 'skip', 'config_quicktime' => 'skip', 'config_realplayer' => 'skip', 'config_windowsmedia' => 'skip', 'config_gears' => 'skip', 'config_silverlight' => 'skip', 'config_cookie' => 'skip', 'location_ip' => 'skip', 'location_browser_lang' => 'skip', 'location_country' => 'skip', 'location_region' => 'skip', 'location_city' => 'skip', 'location_latitude' => 'skip', 'location_longitude' => 'skip', 'location_provider' => 'skip', 'visitor_days_since_last' => 'skip', 'visitor_days_since_order' => 'skip', 'visitor_days_since_first' => 'skip', 'custom_var_k1' => 'skip', 'custom_var_v1' => 'skip', 'custom_var_k2' => 'skip', 'custom_var_v2' => 'skip', 'custom_var_k3' => 'skip', 'custom_var_v3' => 'skip', 'custom_var_k4' => 'skip', 'custom_var_v4' => 'skip', 'custom_var_k5' => 'skip', 'custom_var_v5' => 'skip', 'user_id' => 'skip', 'config_browser_engine' => 'skip', 'visit_total_interactions' => 'skip', ), ), 'maximumAllowedRows' => 0, )), 'nextVisitorId' => '92144761c484f94a', 'previousVisitorId' => false, 'totalVisitDurationPretty' => '0s', 'userId' => false, 'firstVisit' => array ( 'date' => 1524693628, 'prettyDate' => 'Wednesday, April 25, 2018', 'daysAgo' => 0, 'referrerType' => 'search', 'referrerUrl' => 'https://www.google.ch/', 'referralSummary' => 'Google', ), 'lastVisit' => array ( 'date' => 1524693628, 'prettyDate' => 'Wednesday, April 25, 2018', 'daysAgo' => 0, 'referrerType' => 'search', 'referrerUrl' => 'https://www.google.ch/', 'referralSummary' => 'Google', ), 'visitsAggregated' => 1, 'visitedPages' => array ( 0 => array ( 'url' => 'http://www.buecher-wiki.ch/index.php/BuecherWiki/Erzaehlperspektive', 'count' => 1, ), ), 'averagePageGenerationTime' => 0.81499999999999995, 'devices' => array ( 0 => array ( 'type' => 'Tablet', 'count' => 1, 'icon' => 'plugins/Morpheus/icons/dist/devices/tablet.png', 'devices' => array ( 0 => array ( 'name' => 'Apple iPad', 'count' => 1, ), ), ), ), 'continents' => array ( 0 => array ( 'continent' => 'amn', 'nb_visits' => 1, 'prettyName' => 'North America', ), ), 'countries' => array ( 0 => array ( 'country' => 'us', 'nb_visits' => 1, 'flag' => 'plugins/Morpheus/icons/dist/flags/us.png', 'prettyName' => 'United States', ), ), );