DowngradeUnsupportedException

Exception thrown when down() is called on a migration that cannot be downgraded.
extends RuntimeException implements Omeka\Db\Migration\Exception\ExceptionInterface
Methods inherited from RuntimeException
Methods inherited from Exception
__construct(), __wakeup(), getMessage(), getCode(), getFile(), getLine(), getTrace(), getPrevious(), getTraceAsString(), __toString()
Properties inherited from Exception
$message, $code, $file, $line