Cause
You attempted to connect to the database before the Oracle Label Security component was fully initialized.
You attempted to connect to the database before the Oracle Label Security component was fully initialized.
Wait until the database is fully open before attempting to connect.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e12400.htm
https://community.oracle.com/message/3873526
https://community.oracle.com/message/4165486
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