diff --git a/Mohem/src/app/hmg-common/services/attend-services/attend-scan.service.ts b/Mohem/src/app/hmg-common/services/attend-services/attend-scan.service.ts index 1b8d1e07..a90cb735 100644 --- a/Mohem/src/app/hmg-common/services/attend-services/attend-scan.service.ts +++ b/Mohem/src/app/hmg-common/services/attend-services/attend-scan.service.ts @@ -188,7 +188,13 @@ export class AttendScanService { try { let currentFirebaseDocument = this.common.sharedService.getSharedData('firebase-document'); let currentSwipeArray = currentFirebaseDocument.document.swipeData; - currentSwipeArray.push(resultObject); + if (currentSwipeArray) { + currentSwipeArray.push(resultObject); + } else { + let swipeData = []; + swipeData.push(resultObject); + currentSwipeArray = swipeData; + } const updatedDocument = { swipeData: currentSwipeArray };