INS-45515
The GI downgrade has detected that the Oracle Clusterware stack is not running on the local node.
Cause
n/a
Action
Either run the GI downgrade on the node where Oracle Clusterware stack is running or open a terminal, log in as root or Administrator, change directory to the Oracle Clusterware home (%s), and start Oracle Clusterware by entering this command: crsctl start crs.