Unknown error uploading form

Hi! Trying to upload a form build in excel. ODK validator works fine but when I try to upload and implement the form the next error occurs. Don’t know whats happening ¿What could it be?

Welcome back to the community, @saocji! Could you kindly share with us your XLSForm so that we could help you troubleshoot with your issue?

Hello ¡Here it is!

Support FR general KOBO 2026

@saocji, I see some labels missing in your XLSForm:

You may need to fix them too.

BTW, I had no issues loading your form in our public KoboToolbox server. See screenshot below as reference:

Hi! Fix that, didn’t work, tryed in incognito window and worked, erased cookies and that was the problem. Thanks!