How to fix the Oracle error CRS-01110: The Oracle Clusterware upgrade is in unknown state [number].?

In this post, you’ll learn more about the Oracle ErrorCRS-01110: The Oracle Clusterware upgrade is in unknown state [number]. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

CRS-01110: The Oracle Clusterware upgrade is in unknown state [number].

Reason for the Error CRS-01110: The Oracle Clusterware upgrade is in unknown state [number].

Cause: There was an internal error upgrading the Oracle Clusterware.

How to fix the Error CRS-01110: The Oracle Clusterware upgrade is in unknown state [number]. ?

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

Action: Retry the ‘crsctl set crs activeversion’ command. If the problem persists, contact Oracle Support Services.