Transaction not yet indexed

Q2ttUnDvV9AGMvRumWS7Sdx3unNo7NDJgGzpHjWRDYXuCAd8V99WFPLyeT4Z5gfk3ymMmqwcpKNQ8tNq2L18Npr

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