GTFS validation report - 1 INFO - 7 ERROR

1 INFO Statistics
1 ERROR Missing mandatory table agency.txt
1 ERROR Missing mandatory table calendar_dates.txt
1 ERROR Missing mandatory table routes.txt
1 ERROR Missing mandatory table stop_times.txt
1 ERROR Missing mandatory table stops.txt
1 ERROR Missing mandatory table trips.txt
1 ERROR No service

Missing mandatory table agency.txt - 1 ERROR

ERROR Missing mandatory table agency.txt

Missing mandatory table calendar_dates.txt - 1 ERROR

ERROR Missing mandatory table calendar_dates.txt

Missing mandatory table routes.txt - 1 ERROR

ERROR Missing mandatory table routes.txt

Missing mandatory table stop_times.txt - 1 ERROR

ERROR Missing mandatory table stop_times.txt

Missing mandatory table stops.txt - 1 ERROR

ERROR Missing mandatory table stops.txt

Missing mandatory table trips.txt - 1 ERROR

ERROR Missing mandatory table trips.txt

No service - 1 ERROR

ERROR No service on any day.

Statistics - 1 INFO

INFO Loaded 0 feed-info, 0 agencies, 0 routes, 0 stops, 0 calendars, 0 calendar dates, 0 trips, 0 stop times, 0 transfers, 0 pathways, 0 fare attributes, 0 fare rules