Drupal\Core\Entity\Exception

Defines an exception class for undefined link templates.

Exception thrown if multiple entity types exist for an entity class.

Defines an exception thrown when an entity ID is too long.

Exception thrown when a storage definition update is forbidden.

Indicates that a link template does not follow the required pattern.

Exception thrown if an entity type is not represented by a class.

Defines an exception thrown when an entity type definition is invalid.