POLAR cube - Antarctic-ice-sheet-daily-surface-melt-maps-1979-2021-4DAntarctica.zarr

Cube has been generated but the xcube viewer show an error: 'NoneType' object has no attribute 'name'. 
[ESDL_datacube_generation-Antarctic-ice-sheet-daily-surface-melt-maps-1979-2021-4DAntarctica (1).zip](https://github.com/deepesdl/cube-gen/files/13294665/ESDL_datacube_generation-Antarctic-ice-sheet-daily-surface-melt-maps-1979-2021-4DAntarctica.1.zip)
