All reports of no-architecture-field for the archive. The extended description of this tag is:

The package does not have an "Architecture:" field in its control file.

Refer to Debian Policy Manual section 5.3 (Binary package control files -- DEBIAN/control) for details.

Severity: serious, Certainty: certain

Check: fields, Type: binary, udeb, source

This tag has not been emitted in any package tested by Lintian.