14,2.3In the event of violation of a cardinal obligation, provided that the damage has been caused by only slight ,negligence, liability shall be limited to the damage to be typically expected when using the Software constituting ,the subject matter hereof.,2.4In all other respects, any liability for any legal cause whatsoever shall be excluded.,2.5To the extent that the Customer's damage results from loss of data, the Provider shall not be liable for ,such damage insofar as the damage could have been prevented had the Customer backed up its data regularly ,and completely.