Cause
If Create Database has the datafile clause, then SYSAUX datafile clause has to be specified, unless using OMF.
If Create Database has the datafile clause, then SYSAUX datafile clause has to be specified, unless using OMF.
Specify the SYSAUX datafile clause.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e12700.htm
https://community.oracle.com/message/10651442
https://community.oracle.com/message/3229900
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