Cause
A command was issued that tried to lock the table indicated in the message. Examples of commands that can lock tables are: LOCK TABLE, ALTER TABLE ... ADD (...), and so on.
A command was issued that tried to lock the table indicated in the message. Examples of commands that can lock tables are: LOCK TABLE, ALTER TABLE ... ADD (...), and so on.
Use the ALTER TABLE ... ENABLE TABLE LOCK command, and retry the command.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e0.htm
https://community.oracle.com/message/4471193
https://community.oracle.com/message/9569718
https://community.oracle.com/message/1107192
https://community.oracle.com/message/9570059
https://community.oracle.com/message/1257342
https://community.oracle.com/message/9316784
https://community.oracle.com/message/3601015
https://community.oracle.com/message/2528012
https://community.oracle.com/message/4512949
https://community.oracle.com/message/9412344
https://community.oracle.com/message/2003724
https://community.oracle.com/message/558777
https://community.oracle.com/message/9446075
https://community.oracle.com/message/2025568
https://community.oracle.com/message/4497062
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