Data missing after updating the survey project with new questions

hi @Kal_Lam, I have a similar problem and I deployed my form and submit the data, after a while, I modified the form adding new questions and groups, and when I download the data I found out that the previous data just disappeared, Please help what could be wrong?

@maher_alkhalaf, have you gone through this post discussed previously? It should help you get the answer to your query:

In this case, you will need to check the Include data from all **...** versions and then download your data (as shown in the image below):

thanks, @Kal_Lam for the great help, I found the missing data

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HI @Kal_Lam . I also have a challenge of missing data yet users have filled the forms and submitted. I can see data from some users but not others. For one of those I cannot see data from, they got the below error at the start of filling the form. Please assist