How to fix the Oracle error ORA-23635: MAINTAIN_TTS: tablespace(s) already exist(s) in target database.?

In this post, you’ll learn more about the Oracle ErrorORA-23635: MAINTAIN_TTS: tablespace(s) already exist(s) in target database. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-23635: MAINTAIN_TTS: tablespace(s) already exist(s) in target database.

Reason for the Error ORA-23635: MAINTAIN_TTS: tablespace(s) already exist(s) in target database.

The tablespaces were already in existence in the target database when the streams MAINTAIN_TTS APIs were called.”

How to fix the Error ORA-23635: MAINTAIN_TTS: tablespace(s) already exist(s) in target database. ?

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

Check whether you can drop the tablespaces to be maintained in the target database. If not, don’t use streams MAINTAIN_TTS APIs to setup streams. Check the Oracle documentation on how to setup streams.