---
title: "“Specify Other” field conflicts with requirements for Key identifiers"
url: "https://openforis.support/questions/3681/specify-other-field-conflicts-with-requirements-for-key-identifiers"
tags: ["collect", "collectmobile"]
status: "answered"
score: 0
answer_count: 1
asked: "2023-06-07T21:42:10"
last_activity: "2023-06-08T14:53:48"
source: "Open Foris Support - Q&A Forum"
license: "Copyright Open Foris, 2026. Some rights reserved under creative commons license."
---

# “Specify Other” field conflicts with requirements for Key identifiers

Asked by bryant on 2023-06-07

Hello OF team,

I am using three fields as key identifiers for a plot using a hierarchical code list with the option for “specify other” enabled for each level of the hierarchy. Collect Mobile shows an error (“These IDs are not unique”) when multiple plots use “other”, even if different values for “other” are specified. Is there a way to prevent this error while maintaining the different levels of the hierarchical code list as key attributes?

Thank you!


## Answer (score 0, by Stefano (OF) on 2023-06-08)

Link: https://openforis.support/questions/3681/specify-other-field-conflicts-with-requirements-for-key-identifiers/3682

Dear Bryant,  
We will contact you to your private email, so you can share with us your survey.  
What you could try is to define an attribute "relevant when" the user selects the item "other" and make this attribute "key".  
Many thanks,  
Open Foris Team