Diagnosis
What this notice means
The header row contains the same field name more than once.
Operational effect
Why it matters
A reader cannot reliably determine which column supplies that field's value.
Scope
Files to check and report fields
Use the file or input resource identified in the report. Check the message and available context fields; runtime failures may not identify a GTFS row.
| Report field | Type | Meaning |
|---|---|---|
fieldName | string | The name of the faulty field. |
filename | string | The name of the faulty file. |
firstIndex | integer | Index of the first occurrence. |
secondIndex | integer | Index of the other occurrence. |
Repair
How to fix it
- 1
Open the header of the reported
filenameand compare the columns atfirstIndexandsecondIndex. - 2
Merge or remove an accidental duplicate column, or give a mislabeled column its correct GTFS name. Keep every data row aligned with the header.
- 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.
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Sources