When Am trying to get blank form after deployment.. the questionnaire doesn't be appended on the android devices for the users... this message keeps appearing... Please advice!

[Kal_Lam]

Welcome to the community, @Shaima! Maybe this support article should help you solve your issue if you have not gone through our support article before:

Recently Updated Support Article: Collecting Data with KoBoCollect on Android

Hi All, With the recent release of the KoBoCollect android app, we have now updated our support article and tried to make it more comprehensive by splitting the article into two different articles: Data Collection on KoBoCollect App (Older Version) Data Collection on KoBoCollect App (Latest Version)