 {#7443
  +"value": array:1 [
    0 => 4716
  ]
  +"operator": "and"
}

 {#7443
  +"value": array:8 [
    0 => 5120
    1 => 5082
    2 => 5058
    3 => 5040
    4 => 5102
    5 => 4993
    6 => 5061
    7 => 4990
  ]
  +"operator": "or"
}

 {#8701
  +"value": []
  +"operator": null
}

 {#8748
  +"value": array:1 [
    0 => 4716
  ]
  +"operator": "and"
}

 {#8748
  +"value": array:8 [
    0 => 5120
    1 => 5082
    2 => 5058
    3 => 5040
    4 => 5102
    5 => 4993
    6 => 5061
    7 => 4990
  ]
  +"operator": "or"
}

 {#8918
  +"value": []
  +"operator": null
}

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TypeError: Cannot assign null to property Drupal\views\Plugin\views\argument\ArgumentPluginBase::$operator of type string in Drupal\views\Plugin\views\argument\ArgumentPluginBase->unpackArgumentValue() (line 1303 of core/modules/views/src/Plugin/views/argument/ArgumentPluginBase.php).