Space(s) is a delimiter. Need at least one character space between columns.

Dot (.) is not a missing value. Dot (.) is just one character.

Check the data again especially when converting from another format or software such as EXCEL, SAS, …

Check the duplicates.

Observations should have a scale smaller than 10000 or 1000 for Gibbs sampling (gibbsf90, gibbs1f90, gibbs2f90, gibbs3f90, thrgibbs1f90) programs.

The maximum record length (default) is 400 bytes (characters).