Oracle Message ORA-16208 - Logical standby dictionary build failed to start.

ERRORLogical standby dictionary build failed to start.
CAUSEFailure to start the logical standby dictionary build process (LSP1)
ACTIONCheck the accompanying messages, and the background process trace file. Correct the problem mentioned in the messages. Then shut down and restart the instance. If the trace file mentions any other background process messages, check the trace file for the mentioned process until the root message is found.