In this post, you’ll learn more about the Oracle ErrorORA-32857: propagation job exists for source string and destination string with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-32857: propagation job exists for source string and destination string
Reason for the Error ORA-32857: propagation job exists for source string and destination string
An attempt was made to create a propagation job, subscriber, or schedule when a propagation job already existed for the specified source and destination pair.
How to fix the Error ORA-32857: propagation job exists for source string and destination string ?
You can fix this error in Oracle by following the below steps
Specify a different source and destination pair, or remove the propagation job using that pair and retry the operation.