Things, you should avoid
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We propose reading the documentation from the beginning, starting with the Introduction. We will not repeat concepts and explanations made in previous parts of the documentation, here.
Never ever display the same form more than once on a single site of your website.
If different forms contain fields with similar names you should not display these forms simultaniuously on a site of your website.
If you use conditional fields, make sure that conditional fields that belong together are displayed on the same page in your multi page form. Fields with "equal to" validation should be displayed on the same form page as well.
Do not add a field of typ "pagebreak" as last field on your form. This will create an empty page.
Nothing happens, when you click a button
If the buttons on a multi page form do not work this is most problably the case, because there is a namespace conflict. This can either be, that you accidentally display the same form twice on the site or that different forms with identical field names conflict. Make sure that you display only one form on your site and test again.