Error occurring after loading surve

Hello, Kobo Community!

I have just finished working on a form on the platform and when I want to see the preview, this message appears:

  • FormLogicError: Could not evaluate: selected( /model/instance[1]/aVWm6vNKbDtg5WgtpPhXrC/group_4_Rumbo/Rumbo_download , 'other_apps_didnt), message: Failed to execute ‘evaluate’ on ‘XPathEvaluator’: The string ‘other_apps_didnt)’ is not a valid XPath expression.

Can anyone help me by telling me what this is about?
I have tried to fix it several times but it is not working.

Thanks, Community!

Hello and welcome @Daniela,
did you use the Online validator, please? ODK - XLSForm Online v2.x
It seems as if you use an invalid variable (or choice) name: “other_apps_didnt)”. There shouldn’t be a bracket in a name. You can search this token in your (downloaded) xls file.

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