Sentinel 3 open error

s3tbx
#1

I am trying to open a Sentinel 3 product and i am getting the following error

image.png1920×1080 142 KB

Any ideas?

Error opening sentinel-3 products in SNAP
#2

The altimeter products are not supported by SNAP and the S3-Toolbox.
Please have a look here:
http://www.altimetry.info/