array(3) {
  [0]=>
  int(16621)
  [1]=>
  string(164) "Mourgela A., Reiss J., Agus T.R. Investigation of a real-time hearing loss simulation for use in audio production // Audio Engineering Society Convention 149. 2020."
  [2]=>
  int(14)
}
<h1>DB Error 230: Duplicate entry '16621-14' for key 'citations.citations_submission_seq'</h1>