In this post, you’ll learn more about the Oracle ErrorORA-19902: incarnation key string not found with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-19902: incarnation key string not found
Reason for the Error ORA-19902: incarnation key string not found
The specified incarnation was not found in the control file.
How to fix the Error ORA-19902: incarnation key string not found ?
You can fix this error in Oracle by following the below steps
Resubmit request with known incarnation key. To see which incarnations are available for this target database, query V$DATABASE_INCARNATION or use RMAN’s LIST INCARNATION command.