The error, CMN.ATO.GEN.000416 indicates there is a non-individual name that contains repeated hyphens, apostrophes, or space characters. This includes double-spaces within the name or a space at the end of the name.
However, this is not limited to the entity name; it can also be any non-individual name within the main form, worksheets, or schedules.
Delete and re-enter each non-individual name. Make sure there are no repeated hyphens, apostrophes or spaces.
Check that the name does not end with a space.
After each edit, check for errors.
If the error still appears, delete and recreate the return.