Cause
An attempt was made to detach or clone the current session and it has an empty migration password. This is not allowed.
An attempt was made to detach or clone the current session and it has an empty migration password. This is not allowed.
Create the session with a non-empty migration password.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e0.htm
https://community.oracle.com/message/9446075
https://community.oracle.com/message/2025568
https://community.oracle.com/message/1193289
https://community.oracle.com/message/4497062
https://community.oracle.com/message/1117811
https://community.oracle.com/message/1228927
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