Can't get all documents from firebase collection with SnapshotListener I can get all documents from firebase with get() method which is not getting updates from Firestore but I can't get all documents with addSnapshotListener method. When I try to use this method it's throwing following exception : Invalid document reference. Document references must have an even number of segments, but Pairs has 1 Here is the code snippets : with snapshot listener : fun retrievePairsFromFirebase() {...