Recomputing calculated field in repeat group, after previous instance changed

[Kal_Lam]

@Sjlver, you could do it as outlined in the post discussed previously:

Preventing duplicate entries in a repeat loop

@saspackman, maybe you could do it as outlined in the image shared below: In the survey tab of your xlsform: [Image 1] Data entry screen as seen in Enketo: when the same id is entered twice [Image 2] Data entry screen as seen in Enketo: when a unique id is entered [Image 3] Reference xlsform: Restrict IDs already selected from a repeat group.xlsx (10.0 KB)