Invalid user name and password when getting new form

Good day. I’d really appreciate support. I’m currently working on collecting data for my thesis. I structured my questionnaire and deploy the form. The problem is getting blank form. I receive an error message every time saying “invalid username”and password. Please help

Welcome to the community, @chelsearena! There are two publicly available servers. You will need to configure the app with the correct server URL. For details, please see the support article (which should help you solve your issue):