- E 2.104.260
- E 2.104.244
The tag is present in Lintian version 2.104.260. That is the most recent version we know about.
The given maintainer script calls db_input or db_text with a first argument that doesn't match one of the known priorities. The supported priorities are low, medium, high, and critical.
Refer to the debconf-devel(7) manual page for details.