"service_id","date","exception_type"
"550-GH_B6-Weekday","20260619","1"
"550-GH_B6-Weekday-BM","20260618","1"
"550-GH_B6-Weekday-SDon","20260619","2"
"550-GH_B6-Weekday-SDon-BM","20260618","2"
