Doctrine\OXM\Mapping\MappingException::classIsNotAValidXmlEntityOrXmlMappedSuperClass PHP Метод

    public static function classIsNotAValidXmlEntityOrXmlMappedSuperClass($className)
    {
        return new self('Class ' . $className . ' is not a valid xml entity or xml mapped super class.');
    }

 /**
  * Loads the metadata for the specified class into the provided container.
  *
  * @param string $className
  * @param ClassMetadataInfo $metadata
  */
 public function loadMetadataForClass($className, ClassMetadataInfo $metadata)
 {
     foreach ($this->drivers as $namespace => $driver) {
         if (strpos($className, $namespace) === 0) {
             $driver->loadMetadataForClass($className, $metadata);
             return;
         }
     }
     throw MappingException::classIsNotAValidXmlEntityOrXmlMappedSuperClass($className);
 }