Cause
feature preparation program can not find any feature in the specified collection
feature preparation program can not find any feature in the specified collection
check the setting for extracting features.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/drgus.htm
https://community.oracle.com/message/9569155
https://community.oracle.com/message/3308404
https://community.oracle.com/message/3306768
https://community.oracle.com/message/1889917
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