Warning: array_flip(): Can only flip string and integer values, entry skipped in Drupal\Core\Entity\EntityStorageBase->loadMultiple() (line 278 of core/lib/Drupal/Core/Entity/EntityStorageBase.php).
Deprecated function: strip_tags(): Passing null to parameter #1 ($string) of type string is deprecated in _get_content_tag() (line 517 of themes/custom/investigaciones/investigaciones.theme).
