ORA-13456: GeoRastercell data error: string Cause: Therewas an error in the original GeoRaster cell data or in the cell data of
the pyramids. Action: Ifthe error is related to the original GeoRaster cell data, the GeoRaster
object is invalid and has to be deleted or manually repaired. If the error isrelated
to pyramids, delete the pyramids and regenerate them.