A column name is unknown.
[1] unknown_column rule reference
| Code | unknown_column |
|---|---|
| Standard | GTFS |
| Source | MobilityData canonical GTFS Schedule validator |
| Severity | INFO |
| Category | structure |
| Maturity | draft |
| Tags | mobilitydata, gtfs, structure |
| Retrieved | 2026-06-12 |
| Reference | https://gtfs-validator.mobilitydata.org/rules.html#unknown_column |
