Diagnosis
What this notice means
An agency or a record that must identify its agency has no agency_id in a feed with multiple agencies.
Operational effect
Why it matters
Routes or fares cannot be assigned unambiguously to their operator.
Scope
Files to check and report fields
agency.txtOpen GTFS specificationfare_attributes.txtOpen GTFS specificationroutes.txtOpen GTFS specification
| Report field | Type | Meaning |
|---|---|---|
agencyName | string | The agency name if it can be obtained. |
csvRowNumber | integer | The row number in the source file where the error occurs. |
filename | string | The name of the file where the error occurs. |
Repair
How to fix it
- 1
Use
filenameandcsvRowNumberto locate the missing value. - 2
Give each agency a unique ID in
agency.txtand use the correct existing ID in affected routes or fare records. - 3Check the result
After a repair, rebuild the archive and validate it again. Confirm that the affected records are correct and that no new related notices appeared. A reviewed warning or informational notice may remain when it describes intentional, supported data.
Re-check your feed in the browserFree, no upload for a file you pick.
Sources