Discord request:
1067083214
If there is a json schema validation error the full file content gets
dumped into the log. That does not help and may be a lot of data. This
PR prints the schema validation error message instead.
Change all license headers to comply with REUSE specification.
Fix#16132
Co-authored-by: flynnnnnnnnnn <flynnnnnnnnnn@github>
Co-authored-by: John Olheiser <john.olheiser@gmail.com>