Cause
When a SDO_BUFFER or SDO_AGGR_BUFFER function is called on a geodetic geometry, or SDO_ARC_DENSIFY is called, ARC_TOLERANCE must be specified, and it should not be less than the tolerance specified for the geometry.
When a SDO_BUFFER or SDO_AGGR_BUFFER function is called on a geodetic geometry, or SDO_ARC_DENSIFY is called, ARC_TOLERANCE must be specified, and it should not be less than the tolerance specified for the geometry.
Check ARC_TOLERANCE specification and make sure it is correct.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e12700.htm
https://community.oracle.com/message/900902
https://community.oracle.com/message/2496130
https://community.oracle.com/message/1041359
https://community.oracle.com/message/1074936
https://community.oracle.com/message/1021015
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