There’s no need to change host right away, you can install the mysql56 module which gives support up to at least Drupal 9.3. Support won’t continue forever, so it would be a good idea to start making plans to move to a host with more up to date software.


You are only using the wrong property name for passing the user ID. The following would work: $entities = \Drupal::entityTypeManager() ->getStorage('node') ->loadByProperties([ 'type' => 'article', 'uid' => SOME_USER_ID, ]); If you wish to fetch entities from several users, just use an array: $entities = \Drupal::...

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