Transaction not yet indexed

Ykkp5z8KpPf6rBa1L23WWyfqmvxRFyEX8u3Jiwd46aVeKa28WGdcZFNnrbNP4en3nKXvaKTwNEYXeyrpCNjdsBQ

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