Oracle Solution for Error ora-09978

ORA-09978: skxfqhdel: Error Disconnecting from another endpoint.

What triggered the Error:

The process was unable to disconnect cleanly from another endpoint.

What should we do to fix it:

Check that the other node(s) are part of the cluster and operating properly. Check the instance and processes on the other node(s). Correct the operating system error and retry the operation.