Cause
Data migration source table <layer>_SDOGEOM does not exist.
Data migration source table <layer>_SDOGEOM does not exist.
Ensure that the specified layer name is correct and that the corresponding spatial layer tables exist in the current schema.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e12700.htm
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