I've seen some apps where the programmer has created a Date table to store one record for each date. It is pre-populated with a record for each date, and the programmer arbitrarily stops at the end of some year in the future when they first created the app. Time goes by and the Date table is now in the past. See if you have a table like this and when the records end. The solution might be to add records for 2017 and going forward.