How to fix the Oracle error ORA-16821: logical standby database dictionary not yet loaded?

In this post, you’ll learn more about the Oracle ErrorORA-16821: logical standby database dictionary not yet loaded with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-16821: logical standby database dictionary not yet loaded

Reason for the Error ORA-16821: logical standby database dictionary not yet loaded

The logical standby database had not loaded the dictionary. This status was detected by the broker health check mechanism. Alternatively, this status may be returned when attempting to switch or fail over to a logical standby database that had not yet loaded its dictionary.

How to fix the Error ORA-16821: logical standby database dictionary not yet loaded ?

You can fix this error in Oracle by following the below steps

Start SQL Apply on the logical standby database, if it is not already running, and wait for it to reach the APPLYING state.