[sfs  info] Skipping site 'chr1:1' due to too many missing and/or multiallelic genotypes. By default, this message will be shown only once, with a summary at the end. Increase verbosity for more information.
[sfs debug] Skipping site 'chr1:2' due to too many missing and/or multiallelic genotypes.
[sfs debug] Skipping site 'chr1:3' due to too many missing and/or multiallelic genotypes.
[sfs debug] Skipping site 'chr1:4' due to too many missing and/or multiallelic genotypes.
[sfs  info] Skipped 4/5 sites due to missing and/or multiallelic genotypes. Project data (or relax projection) as necessary to keep more sites.