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 ( 'website' => 'Piwik Forums', 'prettyDate' => 'Wednesday, May 24, 2017', 'metadata' => array ( 'category' => 'Visitors', 'subcategory' => 'Locations', 'name' => 'Country', 'module' => 'UserCountry', 'action' => 'getCountry', 'dimension' => 'Country', 'documentation' => 'This report shows which country your visitors were in when they accessed your website.', 'metrics' => array ( 'nb_visits' => 'Visits', 'nb_uniq_visitors' => 'Unique visitors', 'nb_actions' => 'Actions', ), 'metricsDocumentation' => array ( 'nb_visits' => 'If a visitor comes to your website for the first time or if they visit a page more than 30 minutes after their last page view, this will be recorded as a new visit.', 'nb_uniq_visitors' => 'The number of unduplicated visitors coming to your website. Every user is only counted once, even if they visit the website multiple times a day.', 'nb_actions' => 'The number of actions performed by your visitors. Actions can be page views, internal site searches, downloads or outlinks.', 'nb_actions_per_visit' => 'The average number of actions (page views, site searches, downloads or outlinks) that were performed during the visits.', 'avg_time_on_site' => 'The average duration of a visit.', 'bounce_rate' => 'The percentage of visits that only had a single pageview. This means, that the visitor left the website directly from the entrance page.', 'conversion_rate' => 'The percentage of visits that triggered a goal conversion.', ), 'processedMetrics' => array ( 'nb_actions_per_visit' => 'Actions per Visit', 'avg_time_on_site' => 'Avg. Time on Website', 'bounce_rate' => 'Bounce Rate', ), 'metricsGoal' => array ( 'nb_conversions' => 'Conversions', 'revenue' => 'Revenue', ), 'processedMetricsGoal' => array ( 'revenue_per_visit' => 'Revenue per Visit', ), 'imageGraphUrl' => 'index.php?module=API&method=ImageGraph.get&idSite=7&apiModule=UserCountry&apiAction=getCountry&token_auth=anonymous&period=day&date=today', 'imageGraphEvolutionUrl' => 'index.php?module=API&method=ImageGraph.get&idSite=7&apiModule=UserCountry&apiAction=getCountry&token_auth=anonymous&period=day&date=2017-04-25,2017-05-24', 'uniqueId' => 'UserCountry_getCountry', ), 'columns' => array ( 'label' => 'Country', 'nb_visits' => 'Visits', 'nb_uniq_visitors' => 'Unique visitors', 'nb_actions' => 'Actions', 'nb_actions_per_visit' => 'Actions per Visit', 'avg_time_on_site' => 'Avg. Time on Website', 'bounce_rate' => 'Bounce Rate', 'revenue' => 'Revenue', ), 'reportData' => Piwik\DataTable::__set_state(array( 'rows' => array ( 0 => Piwik\DataTable\Row::__set_state(array( 'label' => 'United States', 'nb_uniq_visitors' => 11, 'nb_visits' => 11, 'nb_actions' => 48, 'nb_actions_per_visit' => 4.4000000000000003552713678800500929355621337890625, 'avg_time_on_site' => '00:01:30', 'bounce_rate' => '91%', 'revenue' => '$ 0', )), 1 => Piwik\DataTable\Row::__set_state(array( 'label' => 'China', 'nb_uniq_visitors' => 7, 'nb_visits' => 7, 'nb_actions' => 14, 'nb_actions_per_visit' => 2.0, 'avg_time_on_site' => '00:03:08', 'bounce_rate' => '57%', 'revenue' => '$ 0', )), 2 => Piwik\DataTable\Row::__set_state(array( 'label' => 'India', 'nb_uniq_visitors' => 7, 'nb_visits' => 7, 'nb_actions' => 8, 'nb_actions_per_visit' => 1.100000000000000088817841970012523233890533447265625, 'avg_time_on_site' => '00:01:57', 'bounce_rate' => '86%', 'revenue' => '$ 0', )), 3 => Piwik\DataTable\Row::__set_state(array( 'label' => 'Australia', 'nb_uniq_visitors' => 5, 'nb_visits' => 5, 'nb_actions' => 5, 'nb_actions_per_visit' => 1.0, 'avg_time_on_site' => '00:00:00', 'bounce_rate' => '100%', 'revenue' => '$ 0', )), 4 => Piwik\DataTable\Row::__set_state(array( 'label' => 'Japan', 'nb_uniq_visitors' => 5, 'nb_visits' => 5, 'nb_actions' => 6, 'nb_actions_per_visit' => 1.1999999999999999555910790149937383830547332763671875, 'avg_time_on_site' => '00:00:12', 'bounce_rate' => '80%', 'revenue' => '$ 0', )), 5 => Piwik\DataTable\Row::__set_state(array( 'label' => 'Brazil', 'nb_uniq_visitors' => 4, 'nb_visits' => 4, 'nb_actions' => 5, 'nb_actions_per_visit' => 1.3000000000000000444089209850062616169452667236328125, 'avg_time_on_site' => '00:07:06', 'bounce_rate' => '75%', 'revenue' => '$ 0', )), 6 => Piwik\DataTable\Row::__set_state(array( 'label' => 'Taiwan', 'nb_uniq_visitors' => 4, 'nb_visits' => 4, 'nb_actions' => 5, 'nb_actions_per_visit' => 1.3000000000000000444089209850062616169452667236328125, 'avg_time_on_site' => '00:00:28', 'bounce_rate' => '75%', 'revenue' => '$ 0', )), 7 => Piwik\DataTable\Row::__set_state(array( 'label' => 'Vietnam', 'nb_uniq_visitors' => 4, 'nb_visits' => 4, 'nb_actions' => 11, 'nb_actions_per_visit' => 2.79999999999999982236431605997495353221893310546875, 'avg_time_on_site' => '00:00:23', 'bounce_rate' => '75%', 'revenue' => '$ 0', )), 8 => Piwik\DataTable\Row::__set_state(array( 'label' => 'South Korea', 'nb_uniq_visitors' => 2, 'nb_visits' => 3, 'nb_actions' => 3, 'nb_actions_per_visit' => 1.0, 'avg_time_on_site' => '00:00:00', 'bounce_rate' => '100%', 'revenue' => '$ 0', )), 9 => Piwik\DataTable\Row::__set_state(array( 'label' => 'Canada', 'nb_uniq_visitors' => 2, 'nb_visits' => 2, 'nb_actions' => 3, 'nb_actions_per_visit' => 1.5, 'avg_time_on_site' => '00:00:03', 'bounce_rate' => '50%', 'revenue' => '$ 0', )), 10 => Piwik\DataTable\Row::__set_state(array( 'label' => 'Germany', 'nb_uniq_visitors' => 2, 'nb_visits' => 2, 'nb_actions' => 2, 'nb_actions_per_visit' => 1.0, 'avg_time_on_site' => '00:00:00', 'bounce_rate' => '100%', 'revenue' => '$ 0', )), 11 => Piwik\DataTable\Row::__set_state(array( 'label' => 'Hong Kong SAR China', 'nb_uniq_visitors' => 2, 'nb_visits' => 2, 'nb_actions' => 2, 'nb_actions_per_visit' => 1.0, 'avg_time_on_site' => '00:00:00', 'bounce_rate' => '100%', 'revenue' => '$ 0', )), 12 => Piwik\DataTable\Row::__set_state(array( 'label' => 'Indonesia', 'nb_uniq_visitors' => 2, 'nb_visits' => 2, 'nb_actions' => 2, 'nb_actions_per_visit' => 1.0, 'avg_time_on_site' => '00:00:00', 'bounce_rate' => '100%', 'revenue' => '$ 0', )), 13 => Piwik\DataTable\Row::__set_state(array( 'label' => 'Iran', 'nb_uniq_visitors' => 2, 'nb_visits' => 2, 'nb_actions' => 2, 'nb_actions_per_visit' => 1.0, 'avg_time_on_site' => '00:00:00', 'bounce_rate' => '100%', 'revenue' => '$ 0', )), 14 => Piwik\DataTable\Row::__set_state(array( 'label' => 'Malaysia', 'nb_uniq_visitors' => 2, 'nb_visits' => 2, 'nb_actions' => 2, 'nb_actions_per_visit' => 1.0, 'avg_time_on_site' => '00:00:00', 'bounce_rate' => '100%', 'revenue' => '$ 0', )), 15 => Piwik\DataTable\Row::__set_state(array( 'label' => 'Mexico', 'nb_uniq_visitors' => 2, 'nb_visits' => 2, 'nb_actions' => 10, 'nb_actions_per_visit' => 5.0, 'avg_time_on_site' => '00:11:50', 'bounce_rate' => '50%', 'revenue' => '$ 0', )), 16 => Piwik\DataTable\Row::__set_state(array( 'label' => 'Netherlands', 'nb_uniq_visitors' => 1, 'nb_visits' => 2, 'nb_actions' => 2, 'nb_actions_per_visit' => 1.0, 'avg_time_on_site' => '00:00:00', 'bounce_rate' => '100%', 'revenue' => '$ 0', )), 17 => Piwik\DataTable\Row::__set_state(array( 'label' => 'Pakistan', 'nb_uniq_visitors' => 2, 'nb_visits' => 2, 'nb_actions' => 3, 'nb_actions_per_visit' => 1.5, 'avg_time_on_site' => '00:03:46', 'bounce_rate' => '50%', 'revenue' => '$ 0', )), 18 => Piwik\DataTable\Row::__set_state(array( 'label' => 'Singapore', 'nb_uniq_visitors' => 2, 'nb_visits' => 2, 'nb_actions' => 7, 'nb_actions_per_visit' => 3.5, 'avg_time_on_site' => '00:11:44', 'bounce_rate' => '0%', 'revenue' => '$ 0', )), 19 => Piwik\DataTable\Row::__set_state(array( 'label' => 'Thailand', 'nb_uniq_visitors' => 2, 'nb_visits' => 2, 'nb_actions' => 2, 'nb_actions_per_visit' => 1.0, 'avg_time_on_site' => '00:00:00', 'bounce_rate' => '100%', 'revenue' => '$ 0', )), 20 => Piwik\DataTable\Row::__set_state(array( 'label' => 'Chile', 'nb_uniq_visitors' => 1, 'nb_visits' => 1, 'nb_actions' => 2, 'nb_actions_per_visit' => 2.0, 'avg_time_on_site' => '00:00:09', 'bounce_rate' => '0%', 'revenue' => '$ 0', )), 21 => Piwik\DataTable\Row::__set_state(array( 'label' => 'Egypt', 'nb_uniq_visitors' => 1, 'nb_visits' => 1, 'nb_actions' => 2, 'nb_actions_per_visit' => 2.0, 'avg_time_on_site' => '00:00:36', 'bounce_rate' => '0%', 'revenue' => '$ 0', )), 22 => Piwik\DataTable\Row::__set_state(array( 'label' => 'New Zealand', 'nb_uniq_visitors' => 1, 'nb_visits' => 1, 'nb_actions' => 1, 'nb_actions_per_visit' => 1.0, 'avg_time_on_site' => '00:00:00', 'bounce_rate' => '100%', 'revenue' => '$ 0', )), 23 => Piwik\DataTable\Row::__set_state(array( 'label' => 'Peru', 'nb_uniq_visitors' => 1, 'nb_visits' => 1, 'nb_actions' => 1, 'nb_actions_per_visit' => 1.0, 'avg_time_on_site' => '00:00:00', 'bounce_rate' => '100%', 'revenue' => '$ 0', )), 24 => Piwik\DataTable\Row::__set_state(array( 'label' => 'Russia', 'nb_uniq_visitors' => 1, 'nb_visits' => 1, 'nb_actions' => 1, 'nb_actions_per_visit' => 1.0, 'avg_time_on_site' => '00:00:00', 'bounce_rate' => '100%', 'revenue' => '$ 0', )), ), 'currentId' => 3, 'depthLevel' => 0, 'indexNotUpToDate' => true, 'rebuildIndexContinuously' => false, 'tableSortedBy' => false, 'queuedFilters' => array ( ), 'disabledFilters' => array ( ), 'rowsCountBeforeLimitFilter' => 0, 'enableRecursiveSort' => false, 'enableRecursiveFilters' => false, 'rowsIndexByLabel' => array ( ), 'summaryRow' => NULL, 'metadata' => array ( ), 'maximumAllowedRows' => 0, )), 'reportMetadata' => Piwik\DataTable::__set_state(array( 'rows' => array ( 0 => Piwik\DataTable\Row::__set_state(array( 'code' => 'us', 'logo' => 'plugins/Morpheus/icons/dist/flags/us.png', 'segment' => 'countryCode==us', 'logoHeight' => 16, )), 1 => Piwik\DataTable\Row::__set_state(array( 'code' => 'cn', 'logo' => 'plugins/Morpheus/icons/dist/flags/cn.png', 'segment' => 'countryCode==cn', 'logoHeight' => 16, )), 2 => Piwik\DataTable\Row::__set_state(array( 'code' => 'in', 'logo' => 'plugins/Morpheus/icons/dist/flags/in.png', 'segment' => 'countryCode==in', 'logoHeight' => 16, )), 3 => Piwik\DataTable\Row::__set_state(array( 'code' => 'au', 'logo' => 'plugins/Morpheus/icons/dist/flags/au.png', 'segment' => 'countryCode==au', 'logoHeight' => 16, )), 4 => Piwik\DataTable\Row::__set_state(array( 'code' => 'jp', 'logo' => 'plugins/Morpheus/icons/dist/flags/jp.png', 'segment' => 'countryCode==jp', 'logoHeight' => 16, )), 5 => Piwik\DataTable\Row::__set_state(array( 'code' => 'br', 'logo' => 'plugins/Morpheus/icons/dist/flags/br.png', 'segment' => 'countryCode==br', 'logoHeight' => 16, )), 6 => Piwik\DataTable\Row::__set_state(array( 'code' => 'tw', 'logo' => 'plugins/Morpheus/icons/dist/flags/tw.png', 'segment' => 'countryCode==tw', 'logoHeight' => 16, )), 7 => Piwik\DataTable\Row::__set_state(array( 'code' => 'vn', 'logo' => 'plugins/Morpheus/icons/dist/flags/vn.png', 'segment' => 'countryCode==vn', 'logoHeight' => 16, )), 8 => Piwik\DataTable\Row::__set_state(array( 'code' => 'kr', 'logo' => 'plugins/Morpheus/icons/dist/flags/kr.png', 'segment' => 'countryCode==kr', 'logoHeight' => 16, )), 9 => Piwik\DataTable\Row::__set_state(array( 'code' => 'ca', 'logo' => 'plugins/Morpheus/icons/dist/flags/ca.png', 'segment' => 'countryCode==ca', 'logoHeight' => 16, )), 10 => Piwik\DataTable\Row::__set_state(array( 'code' => 'de', 'logo' => 'plugins/Morpheus/icons/dist/flags/de.png', 'segment' => 'countryCode==de', 'logoHeight' => 16, )), 11 => Piwik\DataTable\Row::__set_state(array( 'code' => 'hk', 'logo' => 'plugins/Morpheus/icons/dist/flags/hk.png', 'segment' => 'countryCode==hk', 'logoHeight' => 16, )), 12 => Piwik\DataTable\Row::__set_state(array( 'code' => 'id', 'logo' => 'plugins/Morpheus/icons/dist/flags/id.png', 'segment' => 'countryCode==id', 'logoHeight' => 16, )), 13 => Piwik\DataTable\Row::__set_state(array( 'code' => 'ir', 'logo' => 'plugins/Morpheus/icons/dist/flags/ir.png', 'segment' => 'countryCode==ir', 'logoHeight' => 16, )), 14 => Piwik\DataTable\Row::__set_state(array( 'code' => 'my', 'logo' => 'plugins/Morpheus/icons/dist/flags/my.png', 'segment' => 'countryCode==my', 'logoHeight' => 16, )), 15 => Piwik\DataTable\Row::__set_state(array( 'code' => 'mx', 'logo' => 'plugins/Morpheus/icons/dist/flags/mx.png', 'segment' => 'countryCode==mx', 'logoHeight' => 16, )), 16 => Piwik\DataTable\Row::__set_state(array( 'code' => 'nl', 'logo' => 'plugins/Morpheus/icons/dist/flags/nl.png', 'segment' => 'countryCode==nl', 'logoHeight' => 16, )), 17 => Piwik\DataTable\Row::__set_state(array( 'code' => 'pk', 'logo' => 'plugins/Morpheus/icons/dist/flags/pk.png', 'segment' => 'countryCode==pk', 'logoHeight' => 16, )), 18 => Piwik\DataTable\Row::__set_state(array( 'code' => 'sg', 'logo' => 'plugins/Morpheus/icons/dist/flags/sg.png', 'segment' => 'countryCode==sg', 'logoHeight' => 16, )), 19 => Piwik\DataTable\Row::__set_state(array( 'code' => 'th', 'logo' => 'plugins/Morpheus/icons/dist/flags/th.png', 'segment' => 'countryCode==th', 'logoHeight' => 16, )), 20 => Piwik\DataTable\Row::__set_state(array( 'code' => 'cl', 'logo' => 'plugins/Morpheus/icons/dist/flags/cl.png', 'segment' => 'countryCode==cl', 'logoHeight' => 16, )), 21 => Piwik\DataTable\Row::__set_state(array( 'code' => 'eg', 'logo' => 'plugins/Morpheus/icons/dist/flags/eg.png', 'segment' => 'countryCode==eg', 'logoHeight' => 16, )), 22 => Piwik\DataTable\Row::__set_state(array( 'code' => 'nz', 'logo' => 'plugins/Morpheus/icons/dist/flags/nz.png', 'segment' => 'countryCode==nz', 'logoHeight' => 16, )), 23 => Piwik\DataTable\Row::__set_state(array( 'code' => 'pe', 'logo' => 'plugins/Morpheus/icons/dist/flags/pe.png', 'segment' => 'countryCode==pe', 'logoHeight' => 16, )), 24 => Piwik\DataTable\Row::__set_state(array( 'code' => 'ru', 'logo' => 'plugins/Morpheus/icons/dist/flags/ru.png', 'segment' => 'countryCode==ru', 'logoHeight' => 16, )), ), '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 ( ), 'maximumAllowedRows' => 0, )), 'reportTotal' => array ( 'nb_visits' => 77, 'nb_uniq_visitors' => 75, 'nb_actions' => 149, 'nb_visits_converted' => 0, 'bounce_count' => 61, ), 'timerMillis' => '23', );