Using $(previous_question) as default or in constraint of a “next_question” causes an error in deployment

[Kal_Lam]

Or maybe try this approach that should solve the issue (by placing the date in the calculation column instead of the default column):

How to change the date format from “YYYY-MM-DD” to “DD-MM-YYYY”?

@chris88745, this is how it should work. In the survey tab of your XLSForm: [Image 1] Data entry screen as seen in Enketo: [Image 2] Reference XLSForm: Changing date format.xls (25.5 KB)