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 ( 'numSites' => 18, 'totals' => array ( 'nb_pageviews' => '1,910', 'nb_visits' => '741', 'nb_actions' => '2,010', 'revenue' => '0', 'nb_visits_lastdate' => 999.0, ), 'lastDate' => '2024-05-03', 'sites' => array ( 0 => array ( 'label' => 'Archivos de Ciencias de la Educación', 'nb_visits' => '83', 'nb_actions' => '160', 'nb_pageviews' => '159', 'revenue' => 'ARS0', 'nb_conversions' => 0, 'visits_evolution' => '1.2%', 'visits_evolution_trend' => 1, 'actions_evolution' => '-39.8%', 'actions_evolution_trend' => -1, 'pageviews_evolution' => '-38.8%', 'pageviews_evolution_trend' => -1, 'revenue_evolution' => '0%', 'revenue_evolution_trend' => 0, 'nb_conversions_evolution' => '0%', 'nb_conversions_evolution_trend' => 0, 'idsite' => 17, 'ratio' => 1, 'currencySymbol' => 'ARS', 'previous_nb_visits' => 82, 'periodName' => 'day', 'previousRange' => 'Fri, May 3', 'previous_nb_actions' => 266, 'previous_Actions_nb_pageviews' => 260, 'previous_Goal_revenue' => 0, 'previous_Goal_nb_conversions' => 0, 'group' => '', 'main_url' => 'http://archivosdeciencias.fahce.unlp.edu.ar', ), 1 => array ( 'label' => 'Educacion Física y Ciencia', 'nb_visits' => '79', 'nb_actions' => '206', 'nb_pageviews' => '168', 'revenue' => 'ARS0', 'nb_conversions' => 0, 'visits_evolution' => '-28.8%', 'visits_evolution_trend' => -1, 'actions_evolution' => '-35.2%', 'actions_evolution_trend' => -1, 'pageviews_evolution' => '-41.3%', 'pageviews_evolution_trend' => -1, 'revenue_evolution' => '0%', 'revenue_evolution_trend' => 0, 'nb_conversions_evolution' => '0%', 'nb_conversions_evolution_trend' => 0, 'idsite' => 3, 'ratio' => 1, 'currencySymbol' => 'ARS', 'previous_nb_visits' => 111, 'periodName' => 'day', 'previousRange' => 'Fri, May 3', 'previous_nb_actions' => 318, 'previous_Actions_nb_pageviews' => 286, 'previous_Goal_revenue' => 0, 'previous_Goal_nb_conversions' => 0, 'group' => '', 'main_url' => 'http://efyc.fahce.unlp.edu.ar', ), 2 => 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0, 'idsite' => 16, 'ratio' => 1, 'currencySymbol' => 'ARS', 'previous_nb_visits' => 46, 'periodName' => 'day', 'previousRange' => 'Fri, May 3', 'previous_nb_actions' => 113, 'previous_Actions_nb_pageviews' => 111, 'previous_Goal_revenue' => 0, 'previous_Goal_nb_conversions' => 0, 'group' => '', 'main_url' => 'http://relmecs.fahce.unlp.edu.ar', ), 6 => array ( 'label' => 'Descentrada', 'nb_visits' => '50', 'nb_actions' => '117', 'nb_pageviews' => '109', 'revenue' => 'ARS0', 'nb_conversions' => 0, 'visits_evolution' => '-40.5%', 'visits_evolution_trend' => -1, 'actions_evolution' => '-37.1%', 'actions_evolution_trend' => -1, 'pageviews_evolution' => '-37.4%', 'pageviews_evolution_trend' => -1, 'revenue_evolution' => '0%', 'revenue_evolution_trend' => 0, 'nb_conversions_evolution' => '0%', 'nb_conversions_evolution_trend' => 0, 'idsite' => 21, 'ratio' => 1, 'currencySymbol' => 'ARS', 'previous_nb_visits' => 84, 'periodName' => 'day', 'previousRange' => 'Fri, May 3', 'previous_nb_actions' 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'http://sociohistorica.fahce.unlp.edu.ar', ), 8 => array ( 'label' => 'Palabra clave', 'nb_visits' => '43', 'nb_actions' => '335', 'nb_pageviews' => '321', 'revenue' => 'ARS0', 'nb_conversions' => 0, 'visits_evolution' => '-18.9%', 'visits_evolution_trend' => -1, 'actions_evolution' => '155.7%', 'actions_evolution_trend' => 1, 'pageviews_evolution' => '169.7%', 'pageviews_evolution_trend' => 1, 'revenue_evolution' => '0%', 'revenue_evolution_trend' => 0, 'nb_conversions_evolution' => '0%', 'nb_conversions_evolution_trend' => 0, 'idsite' => 7, 'ratio' => 1, 'currencySymbol' => 'ARS', 'previous_nb_visits' => 53, 'periodName' => 'day', 'previousRange' => 'Fri, May 3', 'previous_nb_actions' => 131, 'previous_Actions_nb_pageviews' => 119, 'previous_Goal_revenue' => 0, 'previous_Goal_nb_conversions' => 0, 'group' => '', 'main_url' => 'http://palabraclave.fahce.unlp.edu.ar', ), 9 => array ( 'label' => 'Geograficando', 'nb_visits' => '37', 'nb_actions' => '84', 'nb_pageviews' => '82', 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'previous_nb_visits' => 21, 'periodName' => 'day', 'previousRange' => 'Fri, May 3', 'previous_nb_actions' => 81, 'previous_Actions_nb_pageviews' => 80, 'previous_Goal_revenue' => 0, 'previous_Goal_nb_conversions' => 0, 'group' => '', 'main_url' => 'http://olivar.fahce.unlp.edu.ar', ), 13 => array ( 'label' => 'Revista de Filosofía y Teoría política', 'nb_visits' => '19', 'nb_actions' => '50', 'nb_pageviews' => '47', 'revenue' => 'ARS0', 'nb_conversions' => 0, 'visits_evolution' => '0%', 'visits_evolution_trend' => 0, 'actions_evolution' => '66.7%', 'actions_evolution_trend' => 1, 'pageviews_evolution' => '56.7%', 'pageviews_evolution_trend' => 1, 'revenue_evolution' => '0%', 'revenue_evolution_trend' => 0, 'nb_conversions_evolution' => '0%', 'nb_conversions_evolution_trend' => 0, 'idsite' => 10, 'ratio' => 1, 'currencySymbol' => 'ARS', 'previous_nb_visits' => 19, 'periodName' => 'day', 'previousRange' => 'Fri, May 3', 'previous_nb_actions' => 30, 'previous_Actions_nb_pageviews' => 30, 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