Cause
An attempt has been made to remove the last member of a log file group.
An attempt has been made to remove the last member of a log file group.
If desired, delete the entire log, by using DROP LOGFILE.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e0.htm
https://community.oracle.com/message/1038054
https://community.oracle.com/message/9409332
https://community.oracle.com/message/3148552
https://community.oracle.com/message/3148503
https://community.oracle.com/message/3168149
https://community.oracle.com/message/3162380
https://community.oracle.com/message/3284514
Browse all solutions to database errors from Oracle, MS SQL, or MySQL