Transaction not yet indexed

tu2kkAJeFtWfBqQSjEBEfxN9L5Fa5xvzKPZ7tsg1wrRFVPLqnjnv5fpete6Dc6CAP5jLqkbKi9Uns9Pp1GutoRC

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.