Error: Data structure returned is not convertible in the requested format: Multidimensional column values not supported. Found unexpected array value for column 'subcategories' in row '0': 'array (
  0 => 
  array (
    'uniqueId' => 'AIAgents_AIAgentsOverview',
    'name' => 'AI Agents Overview',
  ),
  1 => 
  array (
    'uniqueId' => 'BotTracking_AIChatbotsContentRequests',
    'name' => 'AI Chatbots Content Requests',
  ),
  2 => 
  array (
    'uniqueId' => 'BotTracking_AIChatbotsOverview',
    'name' => 'AI Chatbots Overview',
  ),
  3 => 
  array (
    'uniqueId' => 'BotTracking_AIChatbotsRealtime',
    'name' => 'AI Chatbots Real-time',
  ),
)'. Try to call this method with the parameters '&format=original&serialize=1'; you will get the original php data structure serialized.