The NDSI notebook was based on data from STAC which has been removed.
Could you please convert the two necessary products, put them in the notebook bucket and index them in STAC?
/eodata/Sentinel-2/MSI/L2A_N0500/2023/07/17/S2B_MSIL2A_20230717T100559_N0510_R022_T32TPT_20241002T083613.SAFE/
/eodata/Sentinel-2/MSI/L2A_N0500/2023/07/17/S2B_MSIL2A_20230717T100559_N0510_R022_T32TPS_20241002T083613.SAFE/