Failed to fetch

Kobo show me this message:

There has been an error loading this form. We recommend that you do not use this form to enter data until this is resolved.

Please contact support@kobotoolbox.org with the address on this page and the error message below.

What can I do?

Welcome to the community, @pmrguatemala! Have you validated your xlsform through this online validator? It should help you identify syntax issues from your xlsform.