Error: Data structure returned is not convertible in the requested format: Multidimensional column values not supported. Found unexpected array value for column 'widgets' in row '0': 'array (
  0 => 
  array (
    'module' => 'UserCountryMap',
    'action' => 'visitorMap',
  ),
  1 => 
  array (
    'module' => 'UserCountry',
    'action' => 'getCountry',
  ),
  2 => 
  array (
    'module' => 'Actions',
    'action' => 'getPageUrls',
  ),
  3 => 
  array (
    'module' => 'UserCountryMap',
    'action' => 'realtimeMap',
  ),
  4 => 
  array (
    'module' => 'UserCountry',
    'action' => 'getCity',
  ),
  5 => 
  array (
    'module' => 'VisitsSummary',
    'action' => 'get'. Try to call this method with the parameters '&format=original&serialize=1'; you will get the original php data structure serialized.