If contacts fail to be added to your mailing list, here's what might have gone wrong:
— You have removed the data capture service from your Tilda website, then added it again without re-selecting the service checkbox in the Content panel of the block with the form and without re-publishing the page.
Troubleshooting: open Leads from your Tilda dashboard, then click "Error log" to check if there are any issues related to Selzy.
Learn more.