Cause
The shared instance being started is using DML locks, and the running instances are not, or vice-versa.
The shared instance being started is using DML locks, and the running instances are not, or vice-versa.
Ensure that all instances' INIT.ORA files specify the DML_LOCKS parameter as 0 or all as non-zero.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e0.htm
https://community.oracle.com/message/9316784
https://community.oracle.com/message/9354942
https://community.oracle.com/message/9446075
https://community.oracle.com/message/2025568
https://community.oracle.com/message/4497062
https://community.oracle.com/message/1117811
https://community.oracle.com/message/1228927
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