Please help me how to solve this problem

Discuss
#1

Please check this block
Where is wrongly in this block

blocks
blocks863×1593 167 KB

If I will downlode this app then show this error
Screenshot_2021-06-01-22-13-14-111_com.Gulfwant.AnsariInfoTech
Screenshot_2021-06-01-22-13-14-111_com.Gulfwant.AnsariInfoTech1080×1920 109 KB

#2

You can try to join a special name with ID generated by the for loop for every component created, use join block in the Text category to that.

#3

Check your variable data. Error show you empty list for select item or nothing