Hi @mmnahid,
Welcome to the community! Kindly please be informed that this is an error message controlled by the system which you are not able to edit/change. However, there are places where you could make it more specific.
Example 1: Here you get this error message as you have left out one of the mandatory questions.
You could change the yellow highlighted error message This field is required to You have left the question blank, please fill it! by adding a required_message column to your xlsfrom.
Adding a required_message column in your xlsform:
In the survey tab of your xlsform:
In the choices tab of your xlsform:
Reference xlsform:
Required Error Message.xlsx (10.4 KB)
Have a great day!
