Cause
The specified value of sga_target is greater than sga_max_size.
The specified value of sga_target is greater than sga_max_size.
Increase sga_max_size to match up with sga_target or decrease sga_target to match up with sga_maxsize.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e0.htm
https://community.oracle.com/message/9635352
https://community.oracle.com/message/1578845
https://community.oracle.com/message/3683675
https://community.oracle.com/message/10560517
https://community.oracle.com/message/3724439
https://community.oracle.com/message/1100646
https://community.oracle.com/message/3680819
https://community.oracle.com/message/9269586
https://community.oracle.com/message/4311734
https://community.oracle.com/message/2754297
https://community.oracle.com/message/1700911
https://community.oracle.com/message/4551958
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