 array:3 [
  0 => "+"
  1 => "5022+4966+5128+5002+4967"
  2 => "/project-search"
]

 array:3 [
  0 => "+"
  1 => "5022+4966+5128+5002+4967"
  2 => "/project-search"
]

The website encountered an unexpected error. Try again later.

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 1302 of core/modules/views/src/Plugin/views/argument/ArgumentPluginBase.php).