Cause
An attempt to alter the specified tablespace into force logging mode failed because it is already in force logging mode.
An attempt to alter the specified tablespace into force logging mode failed because it is already in force logging mode.
None
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e12700.htm
https://community.oracle.com/message/1693732
https://community.oracle.com/message/3229900
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