Oracle Error Message
ORA-13466: format not appropriate for specified compression method: string
Reason for the Error
The operation failed because the GeoRaster object had an inappropriate type or format for the specified compression method. The GeoRaster type or format is not supported for the specified compression.
Solution
Check the error message for details. Check the documentation for the appropriate GeoRaster types and formats for each compression method. Use SDO_GEOR.changeFormatCopy to transform the GeoRaster object to an appropriate format, or apply another compression method.