Error message previewing the form


the form shows this error while previewing
GFFO 1.xlsx (33.0 KB)
it and does not process while selecting the yes for the consent .

Welcome back to the community @HekmatullahBick,

This is interesting, because it shows no errors in ODK-Validate (ODK - XLSForm Online) and when I upload your xls form it works as intended:

Did you by any chance edit your form and forget to redeploy it?

It seems you used / in variable or choice list names. This is not allowed, see naming rules for ODK/Kobo/XLSForm.