Cause
Usually due to a dead instance.
Usually due to a dead instance.
Check for any dead, unrecovered instances and recover them.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e0.htm
http://docs.oracle.com/cd/E16655_01/timesten.121/e21636/awt_trouble.htm
https://community.oracle.com/message/9981227
https://community.oracle.com/message/9354942
https://community.oracle.com/message/204976
https://community.oracle.com/message/9446075
https://community.oracle.com/message/2025568
https://community.oracle.com/message/4497062
https://community.oracle.com/message/1117811
https://community.oracle.com/message/1228927
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